访谈精要速览
内森·兰伯特 (Nathan Lambert): 当我思考模型演进时,归根结底取决于你投入了哪种形式的资本,也就是算力、数据和人才。
英文原文
Nathan Lambert: When I think about model progress, it comes down to different forms of capital and that is compute, data, and talent.
主持人: 你认为在未来几年里,谁能在这场角逐中胜出?
英文原文
Host: How do you see that playing out in terms of like who's going to win in the next couple of years?
内森·兰伯特 (Nathan Lambert): 中国人在构建模型方面极为出色。如果说中国在人才方面不是平起平坐的,你很难站得住脚。他们唯一缺乏的就是算力。
英文原文
Nathan Lambert: The Chinese are so good at building models. To say that China is anything but equal on talent, you're going to have a hard time. What they don't have is compute.
主持人: 大多数人认为,模型蒸馏是他们实现这一目标的主要抓手。
英文原文
Host: Most people regard distillation as sort of like the main lever for them to do this.
内森·兰伯特 (Nathan Lambert): 人们每天都在蒸馏我的产品。他们拿走模型,拆解剥离成最原始的部件。这叫作市场竞争。以往的后训练更依赖于监督微调,而现在已经演变到了严重依赖强化学习的环境中。但这种简单的后训练方式——即获取补全结果、分数上升——很难直接映射到当今推理模型所发生的一切。
英文原文
Nathan Lambert: People distill my products every single day. They take it, they strip it down to its raw parts. That's called competition. Previous post training was much more reliant on the supervised fine-tuning and now this has morphed a bit into environments where it's RL heavy but it's just like hard to map this type of post training which is you get the completions and the score goes up to what is going on in reasoning today.
主持人: 现在的公共舆论充斥着巨大的恐慌,担心前沿技术不仅隐秘不公,而且正在迅速拉开差距。AI能力曲线本身并不必然令我担忧,但在社会公共网络安全准备几乎完全缺失的背景下,AI能力曲线的发展确实让人深思……
内森,非常高兴能邀请到你,感谢你亲自到场。鉴于你刚刚启动了Trillium,这次交流正逢其时,我非常想深入探讨。但从更宏观的层面来看,我们此前讨论过很多关于开源的话题,我知道这也是你非常关心的领域。我们在公众讨论中经常听到“我们必须跟上前沿步伐”、“前沿实验室如何如何”。我一直试图向专家请教的核心脉络是:前沿领域究竟包含着什么?那里的真实状态到底是什么样的?我们在试图追赶什么?更重要的是,把这与开源和开放权重模型联系起来——开放生态到底能否跟上前沿的步伐?
我认为这至关重要,也是你非常擅长的领域。或许我们可以从这个脉络开始:在你看来,促使闭源实验室和开源模型抵达前沿水平的深层驱动力是什么?如果从宏观的技术阶段拆解,比如预训练、中训练和后训练,以及后训练是如何演进的——这正是你向公众做了大量科普教育的方向,你会如何剖析?
英文原文
Host: The discourse now is just so much fear on like how much the frontier is just hidden and also breaking away. The AI capability plot doesn't necessarily worry me, but the AI capability plot in the pretty much non-existing preparation of cross public cyber security and all these things like so Nathan really happy to have you here. Uh thank you for joining in person. Super timely given you're launching Trillium which I'd love to talk about. um but more sort of on on a macro level um I think we chatted a lot about open source and that's you know a lot of what you care about and uh what I sort of um or what we've been hearing a lot in the public discourse is like hey we have to pace the frontier you know the frontier this the frontier that and I think an arc of the stuff that I'm really trying to ask experts about is like what is in the frontier what is it even like what are we pacing what's there and then more importantly kind of threading it with open source and open weight models like can they keep up with the frontier? And I think this matters very much um and is is something that you're an expert on. So maybe to to sort of kind of start on that arc, what's gotten to the sort of how you would break down what's gotten us uh to the frontier for both closed uh labs and open um source models? you know, how does it break down in your mind maybe first at a higher level of pre-training, mid-training, post-training, how post-training has evolved, which is something you've, you know, done a great amount of education to the public on.
前沿竞争与资本三要素
内森·兰伯特 (Nathan Lambert): 当我思考模型的进步时,归根到底取决于你向模型注入了哪些不同形式的资本,也就是算力、数据和人才。
所有的实验室都掌握着不同配比的资本。很明显,像OpenAI、Anthropic和Google这样的闭源前沿实验室拥有最充足的资源。而我们所观察到的,是各大实验室组织和协调这些资本形态的能力差异。让组织架构完全服务于大模型的研发是极其困难的,这也是为什么有些公司必须经历自下而上的彻底重组,而重组有时确实奏效——比如Meta就经历了一次彻底推倒重来,现在他们重新回到了积极的上升轨迹。
我非常关注这些人文和组织层面的因素,比如为什么竞争能驱动前沿的突破,为什么组织架构如此关键。因为我们在现实中能真切感受到这些影响,这也延伸到了开源与闭源的动态关系中。
在闭源阵营,真正的顶级前沿实验室——如果有人想在AI的最前沿工作,我通常建议他们去Anthropic或OpenAI,这是最稳妥的押注。Meta、Google、xAI或许也在那个梯队,但从外部看不太容易看清。这些公司在最早阶段就下了最激进的赌注,才走到了今天。这也是为什么OpenAI能够率先掀起推理模型的革命。我认为那种突破,以及那张展示推理阶段扩展定律的优美曲线,正是OpenAI的巅峰之作——他们极其擅长绘制出足以彻底重塑所有人认知的技术曲线。
而在另一边,Anthropic长期专注于模型未来能够解决的任务类型,他们长期押注编程能力的沉淀,最终迎来了像Claude Code这样的技术爆发。两家公司有着微妙不同的工程文化,但我认为这两家机构尤其具有前瞻性,极其愿意斥巨资去探索在外界看来几乎不可能的方向。
反观中国公司,他们入局是因为渴望打造具有全球影响力的企业。如果他们只是在中国开发模型并试图对外销售API,根本不会有人知道他们。比如,没人会知道月之暗面 (Moonshot AI),极少人会听说过智谱AI (Zhipu AI),后面的名单还很长。这是他们非常务实的选择:他们紧跟行业动态,清楚全球市场规模庞大,深知美国市场具备极强的付费意愿,这纯粹出于现实考量。因此,发布开源权重模型就成了他们切入全球对话、实现弯道超车的最佳路径。
这其中包含许多复杂性,人们经常猜测他们为何这样做,是不是有政府深度干预?事实并非如此,他们只是努力在做一家创业公司。这并不意味着他们无法到达前沿。在合规与监管层面,中国政府采取的某些监管行动在美国人看来是不可思议的,这让我认为中国实验室在安全体系上采取了更为严肃严格的态度,因为中国企业违规所面临的处置后果往往比美国公司严重得多。
抛开这些不谈,回到开源与闭源的平衡上:中国的这些团队正在全力追赶。这与OpenAI和Anthropic的动态截然不同,后者试图开创新范式,试图实现真正的自我递归迭代 (RSI),以便抢先一步永远垄断最强模型的主导权。这是截然不同的雄心。开源模型所做的,是在市场存在空缺的地方迅速填补生态。
随着时间的推移,开源模型会形成不同的层级。最顶级的闭源模型可以攫取最高的商业利润;而在其身后一步之遥的“准前沿”模型,则很可能会走向开源。这是供需关系的自然调节,开源模型可以触达另一个利润可能较低、但对数据隐私要求极高的市场,例如拥有内部私有企业数据的客户。这种分层是企业在商业博弈中演进出的自然形态。
当我们谈论前沿时,归根结底又回到了资本:拥有的资本较少,赚取的商业利润可能较低,这完全没有问题。但那种紧随其后的追赶动力是极强的。一旦Anthropic和OpenAI向世界展示了某种模型范式的可行性,其他人跟进就容易得多:“原来我们只需要做这个方向就行了。”
随后,他们会采购相似的数据集。这会在整个数据经济中层层渗透:OpenAI和Anthropic花费数倍的资金去培育整个数据标注与合成产业,而一年之后,那些数据供应商为了最大化投资回报,在合同保护期结束后,便可以把类似的数据集转售给行业内的其他参与者。快速跟进的模式在商业上高度可行。这个周期持续的时间已经远远超出了很多人的预期。在ChatGPT刚发布时,行业普遍预测市场会迅速整合与洗牌,但直到现在我们才刚刚开始看到更活跃的并购活动,开源模型公司的生命力比我预想的要顽强得多。
英文原文
Nathan Lambert: When I think about model progress, it comes down to like different forms of capital that you've put into them and that is like compute, data, and talent. And all of the labs have various amounts of this. And I think the the closed frontier labs of open eyes, Anthropics, Google's have clearly had the most of these and what we see is like the different abilities of the labs to organize these forms of capital and like making the org chart work for building models is really hard which is why you have companies have to do complete resets from the bottom up and then it actually kind of works sometimes like companies like Meta is like totally reset and they're like on a positive trajectory again and like I think this I'm very interested in these human aspects of like why competition drives the frontier and like why the org chart is so important because like we see these things and this comes into play in the open closed dynamic as well where it's like the closed companies the the front the true frontier labs which I if somebody wants to work at the frontier of AI I mostly tell them to work at anthropic and open AI which is the easiest bet I think um Meta Google um SpaceX AI like I think you still might be there but it's harder to see from the outside and like these companies have just taken the most ambitious bets the earliest in order to get there and that's why OpenAI has done things like kickstart the reasoning model revolution and I think that kind of breakthrough and like that beautiful plot with the inference scaling laws it's like peak open AI it's like they're really good at getting this plot that just changes how everyone thinks about everything and on the other side it's like enthropic has been like very focused on the types of things the models are going to be able to do and then their reward was this cloud code explosion with their focus on coding for so along and there's these subtly different cultures and I think those two companies in particular have been the most forwardlooking and the most willing to spend egregious amounts to make a step towards a direction that people think is impossible. The Chinese companies came into this because they want to have a company that matters and if they were to build their models and try to sell an API from China, nobody would know about them. Like nobody would know about Moonshot AI. Very few people would know about JIPU and there's a very long list after this. This is a very practical decision by them. They're following the discourse. They know there's going to be a huge market. They know there's a huge demand in the US for paying for these things and it's very practical. So therefore like releasing open models is a way to shortcut this and get into the conversation and I I think there's a lot of complexity and like why do they do this? Is the government involved and and and not like not the case. They're just like trying to build a startup and it's not it's not to say that they will not get there. Like the Chinese government is does things that would blow people's minds in the US. And I think that like that makes me think that the Chinese labs have a much more serious approach to security because like things happen in China that are much more drastic responses to companies doing things in the US. And I don't need to go down this rabbit hole, but this is just like between the balance of open and close. It's just like these companies in China are trying to catch up. This is a very different dynamic than what I said about OpenAI and Enthropic that are trying to create the new paradigms that are trying to like make true RSI happen so that their company wins with the best models forever if you get there first. these boom ideas and you just have to fill the market where there is a void and then open weight models are trying to do this and I think over time there will be these tiers of open models where there's the best closed models which you can demand the best margins for and then there's the near frontier models which is a step behind this and those will be open because just like some sort of supply and demand there as you get access to a different market that might be less profitable but the for example like if you have private enterprise data or so on and these tiers are kind of natural evolutions of companies that are trying to do things and I think we were talking about the frontier and it's just like if you go back to capital like they have less capital they are going to make less money and like that's okay but I think this drive to catch up is very strong and once you know once anthropic and openai show you the type of model you need to build it's a lot easier to then be like oh we just need to do this thing and they buy similar data sets. It trickles through the data economy where open AI and anthropics spend way more to build out this function of a data industry and then those data companies a year later might sell them to everybody. they might sell them to they need to maximize their return on their investment and they had some contractual period and I think there's a lot of dynamics where fast following is going to be very doable and it we've seen the cycle proceed for a while like longer than many people would expect I think when chatbt was released we talked about consolidation the industry and predicting it and I think we're just starting to see a much more active mergers and acquisitions market but I thought this was going to happen two years ago and the open model companies have lasted much longer than I thought.
模型蒸馏与强化学习真相
主持人: 这里面有很多值得抽丝剥茧的线索。首先是你对两大顶级闭源前沿实验室组织差异的评价,我们可以稍后再展开讨论。但同样引人注目的是,你阐明了中国的开放模型实验室将开源作为一种高度务实的分发和商业化战略,而不是出于纯粹的技术利他主义——尽管早期研究人员乐于开源分享的初衷是好的,但开源模式之所以能持续,是因为它演变成了极佳的商业化策略。
顺着这个话题,另一个关键议题是:大多数业内人士认为,模型蒸馏是开源追赶者实现高性能的核心杠杆。正是因为蒸馏,开源模型与前沿闭源模型的时间差距在过去几年中不断收窄,如今可能仅仅落后两到三个月。这也促使前沿实验室考虑封锁API、对最先进的模型采取私有化部署,只通过第一方软件提供服务。一方面是为了攫取更多商业价值,另一方面也是为了增加蒸馏的难度——虽然无法彻底杜绝,但确实大幅提高了门槛。
从你与这些团队面对面交流和深入研究的角度来看,所谓“靠蒸馏实现赶超”的故事是否只是一种被放大的刻板印象?中国的实验室是否在预训练方面本来就极为全面,同时也掌握了未公开的高水平后训练秘方?你认为这种技术加速的杠杆究竟在哪里?
英文原文
Host: No, there's so many interesting threads to pull on here. Um I mean starting with actually your comment commentary on the um organizational differences between the top two frontier labs. You know we can maybe table that or or go on through that thread. But then of course also kind of explaining are you explaining sort of how the open um Chinese uh models or open labs in China have really just chosen that as much more of a distribution practical commercialization strategy uh rather than hey you know obviously out of altruism though it's great that the researchers maybe maybe for better or for worse were were motivated for from you know sharing the beginning but at the end of the day it perpetuated because it was an excellent excellent commercialization uh commercialization strategy. Um, so the other thread maybe to pull there is sort of, you know, I think most people regard distillation as sort of like the main lever for them to do this so well and kind of increasingly uh well because um the lag between the open source models and the frontier models have only shortened uh with time in the last few years. Um now it's like maybe only two to three months. Um, and this has also pushed the uh, Frontier Labs to maybe want to uh, close off the APIs um, close off their best models to do first party services. I mean, one probably to capture more value because it's always, you know, possible that way, but then two also because it's harder to distill, not impossible, but much harder to distill. Um, maybe on those two threads because they're both very interesting. So, we'll try to touch on it. Um, let's start with the with the is the distillation story really more of a caricature and then triangulous labs since you've actually met with them and you've studied this a lot more. Uh, is it sort of like they're allrounded like great at pre-training also have their own, you know, good post-training uh, recipes that they may or may not have revealed. Um, and where do you see the levers kind of accelerating?
内森·兰伯特 (Nathan Lambert): 是的。中国的实验室在技术上非常卓越,他们面临的真正瓶颈是算力匮乏。
毫无疑问,他们拥有完全可以媲美的庞大顶尖人才储备。早期可能因为谁恰好出现在AI爆发的核心圈子里而拥有微弱的先发优势,但如果现在说中国的人才实力不是并驾齐驱的,你很难证明这一点——他们培养了如此之多高水平的工程师和研究员。
他们唯一没有的就是算力。你和那里的研究员交谈时提到:“我听说OpenAI的普通研究员随时可以调用相当于5000张H100 GPU的算力资源。”对方的下巴会直接惊掉,完全无法理解和想象。而和你交流的,正是某家知名顶尖实验室的核心预训练研究员。这样的对话我经历过好几次。
我认为算力壁垒是两者之间最大的鸿沟。而模型蒸馏之所以重要,是因为它本质上是一种高效转换资金的方式,用以换取等效算力——语言模型的输出在数学上是算力的函数,如果你能直接拿到目标输出结果,在效果上就等同于拥有生成这些输出的算力。
我见证了蒸馏技术的各个演进阶段。在早期的后训练时代,行业主要依赖监督微调 (SFT) 和 基于人类反馈的强化学习 (RLHF)。当时只要利用更强模型的输出计算下一个Token预测损失,就能获得大部分性能提升。行业内形成了一套成熟范式:只要拿到最好的模型,生成大量补全数据,在此基础上进行训练,只要拥有高质量的提示词库,你的模型就能表现不错。
提示词工程始终是后训练的关键单元。我记得在AI2 (艾伦人工智能研究所) 时,我和共同负责后训练的同事Hannah经常强调:提示词是后训练的核心基石。你必须获取提示词,并在不同的训练阶段对它们进行处理。
然而在当下,技术范式已经转向了重度依赖强化学习的环境。那种“喂给模型现成补全数据、跑一下训练、基准测试分数就能上涨”的经典微调范式,已经无法映射到今天前沿推理模型所发生的根本机制中了。
从公开发表的学术文献来看,我很难将“蒸馏”视作主要驱动力。例如在开源社区尝试复现后训练配方的公开文献中,所有的开源构建者都陷入了困境,不得不继续使用版本老旧的千问 (Qwen) 模型作为基础,因为大家根本不知道如何构建一个合格的“教师模型”。
我的假说是:在常见的预训练和中训练数据中,存在某些开源社区尚未掌握的关键数据分布,导致单纯从最顶级的闭源模型中抓取思维链或推理轨迹并进行SFT微调,根本无法让模型性能显著提升。换句话说,如果我在研发模型时能直接拿到Claude的完整思维轨迹(无论是Claude Opus还是传说中的Mythos版本),我不认为这就能直接让我们的模型产生质的跃迁。
这就是我基于学术文献得出的结论——蒸馏在现代推理模型上的实际难度极高。退一步讲,你如何利用一个模型的输出去构建一个能够支撑大规模强化学习运行的RL环境?比如像DeepSeek (深度求索) 这样的团队,他们公开了自己进行长达一周的开源RL训练过程,解释了实现路径并开源了模型。那么在这套流程中,蒸馏到底嵌入在哪个环节?他们非常聪明,也精通市场传播。外界或许有质疑:他们是不是在RL训练完成后、发布模型之前,又额外增加了一道基于蒸馏数据的后训练工序?他们的技术报告中确实提到在RL之后还有一个后训练阶段。
但这很难直接套用传统的蒸馏文献来解释。当然,一些灰色地带的现象也让闭源实验室的担忧显得合理:比如在中国存在大量的Claude中转代理服务,消耗着惊人规模的Token量;甚至有些产品直接在前端套壳调用Claude的服务来响应用户。我很难理解这种套壳如何转化为后训练中正统的技术工具。但必须承认,中国团队大规模调用OpenAI和Anthropic模型输出的现象是客观存在的。
这其中仍有许多未解之谜。大多数理性的人在评估蒸馏带来的代差缩短时都会保持审慎的误差区间。但我认为蒸馏最多只能提供数月的先发缓冲,科学文献所展现的客观数据支撑了这一观点。我们应该开展更多公开透明的研究来厘清事实。但仅就目前的后训练范式而言,无法得出蒸馏具有决定性影响的结论。
更重要的事实是:中国团队在模型架构与工程实现上确实极具实力。西方某些人认为“世界上只有我们能做出好模型”,这纯粹是一种自我心理安慰。全球现在有20到30家机构有能力构建出极具竞争力的模型,只要阅读技术报告就能看清楚。
前不久有一篇著名的安全论文,探讨了如何从闭源模型中窃取推理轨迹。我相信中国的科技公司在AI安全社区公开发表相关成果之前,就早已在内部掌握了类似的技术。每家顶尖的中国实验室都有团队精通这些机制。
这就回到了你提到的:闭源实验室是否有必要关闭API。当前的推理模型在生成内容时会产生思维Token(Thinking Tokens),如果通过API输出,调用方很容易截获这些中间思考步骤,并用它们来训练自己的模型。只要实验室继续提供开放的推理API,这种形式的技术借用就几乎不可能被完全封堵。
但如果他们将模型仅封装在端到端的闭源产品中,只面向签署了严格企业协议的客户开放,蒸馏的难度就会呈指数级上升。如果实验室为了技术防御选择收紧产品,我完全理解。但他们必须自己做好产品端的防御,而不是指望引入政府监管。我反对在AI领域推行所谓的KYC (了解你的客户) 政策,这不利于任何人的业务。更重要的是,用户违反服务条款(TOS)属于商业协议范畴,甚至很难算作正式的签署合同,根本不应该上升到由政府出面干预的地步。企业能做的就是封禁其账户,仅此而已。
所以我对闭源实验室的抱怨并不全然同情。但我能理解国家安全领域的担忧,因为AI技术正在变得越来越具影响力,在宏观层面上必须平衡诸多维度的博弈。
英文原文
Nathan Lambert: Yeah. So, the Chinese labs are very technically excellent. They are more comput starved I think. Yes. like without a doubt they have a comparable talent pool to draw on. I think there might be like a slight edge based on who was where when AI really got going. But to say that China is anything but equal in talent is going to you're going to have a hard time because they just have so many people being trained at such a high level. And what they don't have is compute. You talk to people there and you're like, "Oh, I heard an open average open AI researcher has 5,000 H100 equivalents that they can access at any time." and then like their jaw just falls to the floor. They're just like I can't comprehend. And this is like a top like a a top pre-training researcher at one of the labs that you would know and you have this interaction a few times and like the compute thing I think is the biggest difference and distillation plays in as it is a way to effectively spend more money to get what is compute equivalent like outputs from a language model are a function of compute and if you know the outputs you want it's the same as having compute to generate with a with a model and I've seen the stages of distillation and how I see it is that previous post-trainining was much more reliant on the supervised fine-tuning and other like this RHF era which is um where post-training started and you could get most of your performance just by you do this next token prediction loss on the outputs of a very strong model. It was very established that you take the best model you can, you generate completions, and you train on it, and your model's going to be pretty good so long as you have access to the right prompts. Prompts have always been a key to post-training. I remember at AI2, like with Hannah, who I co-led post training there with, we would always say like prompts are the key unit of post-training. It's like you need to get the prompts and you can do different things with them at different stages of training. And now this has morphed a bit into environments where it's RL heavy. But it's just like hard to map this type of post training which is you get the completions and the score goes up to what is going on in reasoning today. Mhm. And based on the public literature, it's very hard for me to be like distillation is a major factor because for example in the fully open literature of people trying to do open post-raining recipes, all the open model builders are stuck using like a really outdated Quen model because you can't figure out how to get the teacher right. My hypothesis is that there's some like mid-training and something in the common pre-training data that's open that makes it hard to do this thing which is get reasoning traces from the absolute best model and do SFT and the numbers go up. So like if I were to have access to Claude's reasoning trace when I was building I'm actually like claude opus quad mythos whatever I'm not sure that it would have actually made our model a lot better. So this is like my evidence grounded in the literature why I think distillation is hard. Um, and then like how do you take the outputs of a model and build an RL environment to do a big RL run? Because then you have the Xiai of the world doing this week-long open RL run or they're like here's what we did and then they've dropped the model and it's like where exactly does distillation go into this. They're they're clever. They know how to do marketing well. There's some questions of like did they do this ahead of time because they did their RL run and then they dropped the model and then their tech report said they had an extra post training stage after RL. some questions but like mapping the established distillation literature to that is very hard but there are question marks that make me support the labs a bit which is like these quad proxies and these model proxies in China where there's a ton of tokens that are used and there's intermediaries and they have tons of accounts and even cases where Kimmy was serving claude in their products to users and I'm just like don't really understand how this fits into distillation as a common technical tool in post-training and like yes we should watch it too like there's other weird stuff with Chinese companies using the outputs from open AI and anthropics models at a vast scale so I think we have a lot more questions we need to answer and I think most reasonable people when they're like what's the gap from distillation are like there's very big error bars but when I say that distillation helps them by a few months it's based on this scientific literature that we just like that's the information we have we should do more open research and enable this so that we can study it. But like I don't know how you can come to a different conclusion that it's like not a huge effect in current post training based on this. And that's just like the Chinese are so good at building models. Well, I think there's a bit of cope where people are like only we are good at building models and it's like there are so many companies there's like 20 to 30 companies that are building good models. You can like read. Yeah. Yeah. And it's like you just Yeah. And like that's hard for me to get over. And I think that there was this very prominent paper that's like stealing reasoning traces from closed models. And I know that the Chinese companies are way ahead on doing this since the AI safety community later published it. Like I think every Chinese lab has a team that knows those sorts of things. And this goes back to what you're saying about like they don't need to offer the API. Mhm. And I think there's some characteristic of reasoning models that generate these thinking tokens where it's easy to just knock them out of the API so you see the reasoning token and then you can use that to train your model. And so long as they offer these APIs, there's going to be no way to stop that type of distillation. But if they do make it so it's only in products and things where you have to sign enterprise agreements or whatever, it'll be way harder. And I support the labs doing that if they want to secure it. But it's like they have to secure their products if they want to. Like I don't like I don't think knowing your customer would be good for anybody. I don't think it'd be good for their business. But also I don't know why you should get the government involved in a terms of service violation. It's like not even like I don't even think terms of service are a signed contract. It's just like a I don't think you can sue them in the same way. You just can cancel their access. Right. So that's why I'm not that sympathetic. But I am like I like to listen to the like the national security community is loud. And but it's like there is a directional truth to that with where AI is going and how influential it is that you have to balance many many things in your head.
商业竞争与产业飞轮效应
主持人: 我很想知道你对这句话怎么看:我记得黄仁勋 (Jensen Huang) 在一次采访或推文中提到过一句话——
英文原文
Host: I I wonder what your response is. So I I heard I think Jensen said in some literally either tweet or interview maybe
内森·兰伯特 (Nathan Lambert): 太棒了,一定要把这句话放进播客里。
英文原文
Nathan Lambert: great put it put it in put it in the show.
主持人: 他说:“人们每天都在蒸馏我的产品。他们把芯片买回去,拆解成最底层的零部件,测试每一个微架构细节。这不叫抄袭,这叫作商业竞争。”你认同这个观点吗?你认为模型蒸馏属于合法的商业竞争范畴,而不是偷窃吗?
英文原文
Host: People distill my products every single day. They take it and they they strip it down to its raw parts. They test everything. That's called competition. Do you think that's fair game? You think distillation is not robbery?
内森·兰伯特 (Nathan Lambert): 这本就是纯粹的商业竞争。我非常理解这种博弈。现在AI安全界有很多人呼吁,随着模型能力跨越式增长,中美之间必须展开双边对话。但如果你要求政府介入,对本国的AI产业链施加行政干预,或者试图从政策层面限制下游的蒸馏行为,你很难指望国会能制定出有效的微观政策去规制蒸馏。联邦层面能做的,充其量也就是制造一些烦琐的合规障碍。
与此同时,当我们探讨如何管控前沿风险时,闭源模型在训练时几乎抓取了公网上的所有数据,经常访问并不属于它们的非授权内容;而外界对开源权重的滥用风险充满担忧。但现实中,重大安全危害并未在开源端爆发,人们甚至要反问:为什么现实中的攻击者没有选择开源权重,而是跑去越狱闭源模型?
我们迫切希望与各方科技公司保持沟通通道。在蒸馏问题上采取强硬行政打压只会弊大于利,因为技术扩散是无法强行阻断的,追赶者不会停止探索。
英文原文
Nathan Lambert: That's called competition. I'm very sympathetic cuz I think there's a lot of calls from the AI safety community that we want to have like US China dialogue as we're getting to such capability levels. And if you're going to ask the company to just like start hitting their AI industry with slaps on the wrist and more downstream of distillation. So you won't regulate distillation with policy from Congress. You will probably just do federal action to make their life annoying. Yeah. Yeah. And at the same time when we're talking about how do we manage frontier risks where you have closed models in training going all over the web and accessing things that they shouldn't and we have valid worries about like what will happen with openw weight models where this like hasn't been harms yet but it's like why like why aren't people using open weight models like why did they go to closed models and get around the safeguards and like we want to be able to communicate with the Chinese tech companies and everything about this and I just think like you're going to cause more harm than good if you do anything about distillation because they're not going to stop. It's all it's like they're gonna keep doing it like
主持人: 没错。开源社区从中受益,进而让整个创业生态获得了巨大的滋养。这不仅仅是中美博弈的问题,如果为前沿闭源实验室构建一个最强的防守论点(Steel Man),事实是:研发下一代前沿大模型需要投入前所未有的天文数字资本。如果开源模型总能通过蒸馏或类似手段以极低成本在两三个月内抹平代差,闭源实验室赖以维系的资金飞轮就会受到巨大冲击。
这个飞轮的运转逻辑非常简单:实验室筹集巨额资金购买并锁定算力基础设施——在这点上OpenAI和Anthropic都运作得极其成功,或者说把这种策略发挥到了极致。由于目前存在严重的算力与电力瓶颈,直到2028年之前算力都处于结构性紧缺状态。他们把核心算力储备锁定,通过对Scaling Laws (扩展定律) 的科学掌控,将前沿突破稳定转化为可预测的高额商业营收;凭借充沛的现金流和商业数据,他们能够以更高的估值在下一轮融资中筹集更多资金。这是一个精妙的资本闭环。
但当资本规模达到指数级,他们必然面临公开上市(IPO)的诉求。任何可能削弱这一飞轮良性运转的外部因素,都直接威胁着前沿探索的持续性。
英文原文
Host: right right and then and and the open source community benefits and therefore the startup community benefits a lot and we can go into you know a lot of it's not just like hey China USA it's actually like there's you know and we can actually talk about like I am sympathetic obviously or try to steal man the um frontier lab position which is like you have just unprecedented amounts of capital that's required to build these frontier models right and it's it's kind of alarming slash not very um uh conducive to to this uh flywheel continuing if if the um through distillation or other kind of distillation related methods. Um open source can catch up so quickly. And so you know and what I mean by this flywheel is just kind of a very simple picture of you know you train the frontier model by putting in a lot of money to get compute and then they park this compute. of course open anthropic are very guilty slash you successful in this [laughter] whichever way you want to like look look at and there is a huge compute you know uh kind of uh um sort of um lack of compute available because there's actually like not just compute in the chips but there's also power etc. So like all of this scarcity is kind of you know bottleneck until 2028. So this is all to say that it's a successful strategy to park that which leads to actually a lot of um revenue because once they get to the frontier because they understand you know scaling is the one thing that kind of gives them or the science of scaling is what gives them a handle over how how well um that can translate like into a predictable revenue stream. So they get the revenue and because of that revenue and they're able to raise more money. It's just unprecedented like beautiful flywheel and this happens for both open AI and anthropic. Um, of course we need exponential amount of resources. And so we've we've gotten to the point where we're like, okay, we need to IPO. We need to go to the public markets. And so anything that threatens this flywheel from functioning well um is is a huge threat to just the entire like being at the frontier. Um, and so
内森·兰伯特 (Nathan Lambert): 甚至是在切实威胁着整个AI产业的生命线。
英文原文
Nathan Lambert: the entire AI industry realistically
主持人: 确实如此。我们并不是在无底线偏袒大公司的资本积累,而是如果这些前沿巨头在未来的IPO中遭遇滑铁卢,对全行业的每一家初创公司都将是毁灭性打击。我们发自内心希望他们成功。
但从另一重视角来看,开源模型(包括中国开源的模型)确实是整个应用层创业生态的坚实基石。我们在业内屡见不鲜:像Decagon和Harvey这样的初创公司,其商业护城河高度依赖定制化的模型微调;市面上涌现出大量提供“后训练即服务”的技术公司。凭借Kimi K3或者开源的GLM基座模型,初创企业可以以极低的成本将特定业务推向最顶级的帕累托前沿。
面对这两种力量的博弈,你如何研判未来几年的演进走向?谁会笑到最后?这又如何解释你为什么坚定投身于开源事业?
英文原文
Host: and that and exactly that actually. So like, you know, maybe not just kind of being sympathetic to their version of like trying to, you know, uh, eek out capitalism for themselves. It's it's also just like, hey, if if they don't do well in the IPO, that's actually bad for everyone else. And so I I I want everyone, you know, I want them to do well. Um, on the other hand, you know, it's like the Chinese open-source models are a huge benefit to the startup ecosystem. I mean, we see this all the time. Um, just kind of metrics I remember from like Decagon and Harvey who was trying to do a lot of fine-tuning. um there's like a huge amount of uh startups doing post training as a service of various degrees and trying to productize that and and it actually works because you can get to the PTO frontier with these you know Kimmy K3 or pick your favorite like GLM um open source model. So, I guess like weighing these two uh things, how do you um I I guess there's so many questions can fall from that, but I guess one um how do you see that playing out in terms of like who's going to who's going to win in the next couple of years versus, you know, what what and and then also relate that to, you know, why you're doing obviously in open source.
内森·兰伯特 (Nathan Lambert): 我认为开源和闭源模型处于完全不同尺度的指数增长轨道上。
闭源前沿实验室具有极高的垂直整合度。他们拥有超高效的自研推理架构,在算力储备充足的条件下,一旦模型就绪便能在大规模集群上高效提供服务。他们能够提前数年进行基础设施规划,并率先抢占价值最高的商业蓝海。我们在代码编程领域已经看到了这一点——编程是过去一年的核心主线,这一细分赛道的年化收入直接从零飙升至数十亿美元,并保持着极强的扩张势头。
相比之下,开源模型面临着追随者所固有的经济结构困境:信息流和资金流存在严重割裂。在开源生态中,链条被切分成了不同实体——开源基座训练团队、第三方推理部署平台、后训练微调方案商。下游客户向应用端反馈的具体任务需求,无法顺畅反哺给处于源头的模型训练者;此外,开源链条中的每个单点都不具备全网规模效应,无法像一体化巨头那样以极低的边际成本和充沛的利润率提供推理服务。这使得开源生态在整体商业化闭环的建立上需要耗费漫长得多的时间。
但在任何可以被标准商品化的技术领域,市场有着巨大的内生需求:企业渴望掌控私有数据。现实中有海量的高敏感资产是无论如何都不能发送给第三方API接口的,不论供应商如何宣称自身具备“零数据留存”机制。
企业往往需要经历漫长的探索周期:首先评估内部是否具备技术Know-how,建立一套能够与业务营收直接挂钩的内部评估评测基准,然后摸索如何做微调;或者寻求像Thinking Machines或Prime Intellect这样的外部技术伙伴,试图通过微调开源模型来规模化降低成本。这种多方协作的链路要漫长得多,但在最终流程落地后,企业获得了至关重要的真正资产所有权——他们拿到了确凿的模型权重,无需受制于任何外部平台的协议变更,可以将其稳定运行在私有硬件上,并计算出确定性的投资回报率(ROI)。
这就是为什么开源模型经济的构筑周期要漫长得多。我并不认为这是一场容易破裂的短期泡沫。随着市场逐渐理清如何用成本最低的适配模型去完成既定任务、企业如何在极限利润率下竞争,开源生态将会逐步侵蚀闭源模型在快速增长期建立的暴利地盘。
这场角逐最终会走向何方,现在下定论还为时尚早。
英文原文
Nathan Lambert: So I think open and closed models are on different time scales of exponentials and the closed labs are so integrated where they have efficient inference. They can serve the model at scale when they're ready to because they have all these resources. They can plan and they get to these markets first that are very high value. We have seen this with coding and this has been the story of the year where the revenue has just gone zero 100 billion and likely to grow. But the open model labs partially this is just like an economic issue being the fast follower is that you don't have this flow of information and you don't have this flow of revenue. So the open model you have open model builder then you have the open model inference companies and you have the open model post-training companies and like there's information from those customers which are like things you need the models to do and it's like you can't like that information doesn't just flow back to the model builder very easily and they also don't have the economies of scale to serve as many users to serve it as efficiently to have as much margins on influence on inference and these are just like it's going to take a lot longer but to the extent that things can be commoditized. It seems like companies really want to have private data. There's a lot of things that they just cannot send over an API and we could talk about the like um zero data retention or not and so on. feel like these it takes a long time to figure out if a company has internal expertise or they figure out how to build an internal evaluation that actually matches to revenue and then they figure out how to fine-tune or then they go find they go find Thinking Machines or Prime Intellect and they're like we could make money in mass if we figure out how to fine-tune a model that solves this and like they have these customers but there just so many more companies involved that it takes so much longer but at the end of this process they have real ownership which is model weights no terms and conditions that they can run on their hardware and they figured out they can make an ROI on. So this is why I just think the open model economy is it takes way longer to build and I'm less concerned about this being kind of bubbly where it's like this could eat into the market of the really fast takeoff as people figure out how to what is the cheapest model that accomplishes a task and how do you compete on margins and I don't really know like I don't really know what's going to happen. I think there's it's too early to know.
通用推理演进与数据工程本质
主持人: 这确实非常难以预测,也是整个行业始终在深思的问题。在很多场景下,通过扩展通用推理能力的通用大模型,几乎可以降维打击任何垂直专精模型。最纯粹的例子就是数学推理,在具身智能领域我们同样看到了类似趋势。
前沿实验室在机器人领域的飞跃,真实脉络到底如何?外界总觉得他们并非刻意在机器人领域深耕,而是模型能力的自然外溢。
英文原文
Host: It's it's it's so yeah it's it's so hard. I mean it's definitely something that's always top of mind thinking about like there's thing there are things where scaling up general reasoning just as a general model is so uh it's going to beat out any specialized model and we see obviously examples in math and that's probably the most pure domain that you can see this um but also you know even in say robotics you know with with Astra um and and I for maybe uh however degrees of like true Truthy the signal is it just doesn't sound like they've actually tried to ascend in robotics is
内森·兰伯特 (Nathan Lambert): 事实并非如此。在六到八个月前的一个周期里,他们开始疯狂招募具身智能专家,并花费巨资大举采购机器人训练数据。他们确实这么做了,六个月后,模型在相关物理世界任务上就奇迹般地展现出了极高的水准。
英文原文
Nathan Lambert: they did I think this is a cycle of like six to eight months ago they started hiring people and buying a lot of data on robotics they did and then the model magically six months later is really good at it but I think that the
主持人: 我还听到了另一种反直觉的视角:这种泛化能力也可能源于计算机操作控制 (Computer Use) 的突破,因为调用图形界面本质上要求模型具备强大的空间表征与空间推理能力,在Blender或三维模拟软件中的出色表现就是这种能力的直接延伸。
无论真相偏向哪一种,只要进入高度垂直的领域,能力跃迁的核心动力往往来自于针对特定领域的专项突破。但在数学领域,Anthropic并未刻意将数学作为核心主航道,OpenAI虽然聘请了大量数学家,但也并非单纯依赖形式化语言(如Lean数据集)来实现跨越,而是将通用推理能力规模化拉升之后,在自然语言理解和数学推理上同时超越了以往所有的专精模型。
这支持了一种流行观点:追赶前沿模型几乎是不可能的,因为顶级模型通用能力的跃迁最终会使其在每一个细分垂直赛道上都达到极高水准。
然而,行业内也出现了一股强大的反作用力:当开源模型的基座足够坚实后,针对极具私密性的专有基准和企业数据进行微调,完全可以达到令人满意的效果,并被市场广泛采纳。最经典的案例是代码编辑器Cursor在今年夏天公布的实验:对于像重构大型开源项目(如SQLite)这样长链路的任务,同时使用两个闭源前沿模型(一个负责高阶规划,一个负责执行),其整体效果与使用他们微调后的特定模型搭配通用规划模型持平,但闭源方案的财务成本却呈几何倍数增加。这是强有力的佐证:开源微调模型在特定场景下不仅完全够用,甚至超越了盲目追求高算力前沿模型的单体收益。
在你看来,证明前沿闭源垄断或是开源生态逆袭的关键证据到底有哪些?
英文原文
Host: but I actually well the other other you know more contrary things I've heard is that it's actually coming out of computer use um because it's you know because computer use is like some level of spatial reasoning and then getting to have good blender you know demos is is another extension of that. Um, so you know, we can believe some version of that. But either way, I guess it's like it maybe if it's like really specialized, you see it's it's the capability gain is really from like trying to get better in a certain area. But like in math, I don't even know if that fell out of trying to specialize in math. I mean, I think the whole thesis there was just like let's just scale up reasoning and actually got better in in in natural language. It got better than any specialized model in math. I mean, Anthropic wasn't even trying to be good at math, you know, open AI, you know, certainly I think, you know, they hired a bunch of mathematicians, but they also weren't trying to like use specialized, you know, kind of like lean data set to get better at it. Um, or at least that's not um story. So, anyways, this is this is all kind of fodder for the view that like it's kind of hard to compete with the frontier models because eventually they start ascending so much that you know you you get uh good enough in respective um categories. With that said, I think actually there's also very competing like a counterforce of data that you're seeing which is like the open-source models that are already good enough uh allow for fine-tunes, you know, to your point of like these slow percolation diffusion of these uh um very specific benchmarks and and data sets that are only available in these, you know, companies that you're being applied to. And it's just it's just good enough and it's actually we're starting to see um people adopt that. I mean in the most maybe pure regime where you would expect frontier models are good is um I think cursor published something over the summer where like hey we just you know we had this long horizon task of writing rewriting SQL light and turns out using two frontier models you know one for planner one for um execution is not as good or is equivalently as good but far more costly than just using composer with maybe opus or you know fastra whatever as planner and that I think that's actually great evidence that the open-source finetunings are very good or good enough and has surpassed um intelligence hungry tasks. Um there's a long way of asking what evidence do you find is most compelling or you know pieces of evidence for various versions of this stable state of where the frontier wins versus open source.
内森·兰伯特 (Nathan Lambert): 我始终坚信:在那些无法完全自动化验证的真实领域,前沿模型的跨越式进步主要是靠采购超高水准的数据集,并为模型构建可供行动与策略爬升的模拟世界来实现的。
这里存在两个完全不同的维度:一边是数学与代码编程,我们尚不清楚代码重构市场的上限有多大;另一边则是广袤的真实世界知识工作——生物科技、医疗健康、法律事务,这些领域的问题并不存在清晰纯粹的数学验证标尺。这与OpenAI重金采购机器人数据的逻辑如出一辙。实验室对外宣传时总喜欢包装成一种“泛化魔法”——大家总是迷恋所谓的“泛化奇迹”,但拆解到工程底座,事实往往是现实主义与工程调优的结合,核心仍然在于数据工程。
当我和前沿实验室的研究员交流时,很多人确实在做着改变世界的工作,但也有相当一部分人的核心职责非常具象:构建特定的专业数据集,明确定义模型在该细分领域中应当具备的行为边界,找到合成或标注对应数据的方法,并测算出需要采购的外部数据规模。
在各行各业推进这一过程需要长达数年的时间。采购这些高壁垒数据的资本密集度极高,绝非凭空发生所谓“代码自己改写自己、AI智能瞬间爆炸”的童话。
但在数学、编程以及分布式系统工程等强验证领域,任务的正确性是百分之百可验证的,成本曲线清晰透明。AI模型正在以极其惊人的速度将这些强验证任务的边际成本压至极低。这将释放出巨大的技术红利,大幅加速科学研究的推进速度。
我非常关注推理端效率的复利递减:模型的服务成本将在未来几年呈现出几何级下降。回顾OpenAI过去的几次激进降价,如果未来三年内,前沿大模型的调用成本每八个月下降一半,意味着四年后,同等智能水平的调用成本将降至当下的百分之一。
随之而来的关键问题是:依据杰文斯悖论 (Jevons Paradox),成本雪崩是会带来更高的整体利润率,还是会因为应用场景的过度饱和而导致收入萎缩?这里面充满了诡谲的经济学博弈。但底层逻辑不会改变:AI能力的进步归根结底依赖于两件事——获取高价值数据,以及编写高并发、高吞吐的系统软件来高效驱动模型。这是两个截然不同却紧密交织的工程世界。
英文原文
Nathan Lambert: I'm a big proponent that a lot of the frontier progress in domains that are not fully verifiable is by buying data that is high quality and giving the models worlds to act in and he'll climb on. And I think there's two time there's two things. We have the math and code thing and we'll we we don't know how big the coding market will be and then there's kind of everything else which is still they're targeting this knowledge work this biology healthcare legal and all of these things are not as verifiable and I think is much closer to the story of opening I bought a lot of robotics data they're probably going to tell us it's generalization magic poof people love poof generalization um and but realistically it's probably some of A some of B but a lot of it comes down to data when I talk to people at Frontier Lab jobs. There are some people that have amazing jobs. There's some people that contribute by doing a very narrow thing, which is you make a data set and you figure out what the behavior should be for your model in that area and you figure out how to make the data that helps get that data. You get that behavior and you figure out what data you need to buy and that's going to take I think we're going to have years of this across different sectors and that's very capital intensive to buy all of this data. But that's not just like poof magic RSI happens where I do see in this math and code and some like distributed ML engineering like it's very verifiable. You know what your cost is and the AI models are going to drive that down at a really magical rate and that's going to just have a lot of surplus benefits and we can do research faster. You could look I'm very interested in like I think the efficiency of models is going to drop multiplicatively over years. So we've seen OpenAI have drastic price cuts and it's like what does it mean for GPT Soul or Astra and these bigger models to reduce in price 2x every eight months for the next 3 years? Like you start getting you start doing this math and it's like it's 1% of the cost and whatever like four years and it's like are they going to able to have higher margins due to Jeban's paradox there or their revenues going to decrease because the market fills up? There's just like all these really weird dynamics, but fundamentally like AI progress is about data and about writing better software to serve your models and those are very different worlds.
数据合成、RL环境与对齐漏洞
主持人: 从外部观察,市场上涌现出大量专注于构建强化学习训练环境的数据公司,不仅向头部前沿实验室供货,也服务于更广泛的模型研发团队。性能提升很大程度上得益于这些交互环境的规模化扩展。
在数据收集机制上,人工构建的沙盒环境与基于模拟仿真生成的自动化环境存在很大区别,它们所要求的技术溢价也大相径庭。你如何看待这两种路径的优劣?
英文原文
Host: Yeah, I mean at least definitely I agree with you that observing from the outside there's a lot of um data RL environment companies that are you know doing very very well um selling both to the top two frontier labs but an increasing kind of longer tale of labs uh as well. Um so to your point I think a lot of the capability gain has really come from just scaling that up. Um and it's not an easy task. I mean maybe there's actually very curious on your opinions between uh the the data collection and environments that are built by hand versus the ones that are you know done in sim there seems to be like different versions of like what could be you know what what kind of price they command etc.
内森·兰伯特 (Nathan Lambert): 两种方案各有利弊。外界热衷于讨论蒸馏,但硬币的另一面是:追赶团队往往会在六个月后,直接花钱买下前沿团队此前使用过的同一批RL环境。
英文原文
Nathan Lambert: They all have good things and bad things. And I just think like there's a lot of talk of like like we've talked about distillation, but the other side is like the Chinese company buys the RL environment that they use six months later.
主持人: “Anthropic刚刚买了这个环境,现在有了溢价效应,我们必须跟进!”
英文原文
Host: Oh, entropic. I bought this. Now there's a premium. [laughter]
内森·兰伯特 (Nathan Lambert): 高质量的数据确实能卖出高溢价。但现实中大家普遍采购的数据集往往存在严重缺陷。当前主流的处理手法是“海量扫货”,然后再通过工程管道筛选出真正有效的部分,整体命中率远非百分之百。
在我看来,当前商业化RL环境的井喷蕴藏着巨大的盈利诱惑,但也导致许多供应商偷工减料,这极易诱发严重的奖励作弊 (Reward Hacking)。模型极其聪明,如果你将其置于一个虚拟环境中并设定目标,一旦测试用例的代码存在漏洞——比如本该包含复杂迷宫探索任务的文件实际上是个空文件——模型就会迅速找到捷径走偏门,不择手段地刷取高分。
这种病态行为直接根植于供应链下游的数据交付质量。实验室强烈要求根除奖励作弊,其内部核心研究员不得不耗费巨量时间去修补这些漏洞。
数据供应商高喊着“快来买我们的数据”,把精力集中在如何构建世界模型和拉升营收上,但在理解模型微观行为上倾注的时间严重不足。供需双方必须更深层次地协同,才能产出真正有益于模型长期性能的高水准交互数据。
英文原文
Nathan Lambert: The good data will do this. But the data that people are buying is pretty flawed. Like I would say that the method is you buy in mass and then you figure out what works and it's not 100% hit rate. Yeah. And I think I personally think that this RO environment explosion where there's just so much opportunity to make money is have a lot of people that like like cut corners and this can induce things like reward hacking. So it's like the models are so smart that if you put them in a world and they're like my job is to solve this task but they didn't give me the like you have a test file and like the test file actually has an empty file instead of the instead of the maze that you have to navigate and they're like the model is like well I should still figure out how to get a high reward anyways. And I think a lot of this behavior is downstream of this supply chain and I think it'll fix it. But it's interesting to see the demand from the labs to eliminate reward hacking and all these company researchers spending so much time on it and then all the data companies like buy our data and I think proportionally spend less time on model behavior and more time on world building and revenue and somehow these two parties need to meet together to actually make higher quality data.
主持人: 这也是为什么许多前沿实验室正在加速将数据管线收归自研(In-house),他们不希望自己的技术路线和探索信号发生泄露。即便如此,外部商业数据采购的规模依然在呈爆炸式增长。基于模拟仿真(Sim)生成合成数据的方案,未来是否会被闭源实验室完全内化?
英文原文
Host: Yeah. Well, a lot of the labs are actually taking it in-house partially because they don't want Yeah. You know, data leaking. Not that, you know, like lit literally and figuratively speaking. It's like, you know, signals leaking of what they're doing, but they're trying to send on. But despite that, I think there's a tremendous amount of growth in um how much uh they're purchasing. Do do you think that's probably one of the strongest levers? Can you kind of qualify how much that will kind of increase? Do you expect that to increase uh based on spending? Um or are there other you know because for instance if it can be done well in sim I think maybe that isn't more of an argument to that being absorbed by labs and it you know in particular and then
内森·兰伯特 (Nathan Lambert): 几乎所有数据供应商都在采用混合模式:利用语言模型来辅助构建场景、修改环境配置或生成多维排列组合。即使有部分人工介入指导流程,其产物本质上仍然是合成数据。极少有人会手把手在3D建模软件中一点一滴搭建供模型交互的微型沙盒,所有人都在追求极限的迭代速度。
实验室之所以愿意持续砸钱,是因为模型在这些环境中确确实实获得了能力泛化。即使我有时仍对账面上的天文数字感到不可思议——动辄数亿美元甚至数十亿美元的环境构建预算——但事实证明,他们持续投入是因为真真切切在基准评测上看到了正向信号。
整个数据标注和合成产业在提升质量控制与操作安全规范 (OpSec) 方面,仍有海量的“低垂果实”。如果深究细节,你会发现诸多荒诞乱象:很多数据公司雇用了大量海外众包人员,众包商在层层转包后,根本不知道数据的商业去向,甚至直接将其上传到GitHub公网。整个行业仍处于极其粗放的蛮荒阶段。
一方面是夸张的采购金额和粗糙的数据质量,另一方面是实验室极快的数据吸收与清洗过滤能力。这一产业格局需要数年时间来洗牌:唯有具备极高交付质量、能带来确定性高ROI系统的数据团队才能胜出,实验室与这些头部玩家深度绑定,以此获取更干净的训练信号,降低内部数据治理的工程损耗。
你将如何在你新创立的非营利机构Trillium中布局RL环境?
英文原文
Nathan Lambert: all the companies are doing a mix of like all the companies are selling synthetic data where they're using language models to modify or build the world or generate permutations of it and like if a human is guiding this process it's still synthetic data. So like there's very few people that are going to like sit there and lender and like [laughter] we're going to make a little world for our model to act in. Like all the companies I think are moving far faster than that, right? And they buy them because they the models are getting better from them. Like I I still have denial about it. I'm like these numbers are crazy. The billions of dollars research budget on environments. I'm like they're only doing this because it is helping the models and they see the signal. And I think like my general observation is that the data industry has a lot of lowhanging fruit on improving quality and improving just like OBSAC. So like if you look into the details, you can find weird things with like data companies that use contractors overseas. Those people are through an intermediary. They don't know they're selling it. They just upload it to GitHub. There's a lot of stuff out there that if you poke around the data industry, you find weird rough edges. Yeah. And it's just very early. And that's like it's it's the one thing is like the numbers are too big, the quality is bad, but on the other hand, the labs are improving very fast and know how to onboard it. So I think this will take a few years to transition of like really pulling the the winners into higher quality, higher ROI, you takes less resources when you have these systems for doing better and then the labs keep working with them because they get even more training signal and have to do less internal filtering and I I think this is going to just take years. How do you think about then using environments and like your purchasing decisions as part of the nonprofit that you're starting?
Trillium理念与开源基础设施
内森·兰伯特 (Nathan Lambert): 在Trillium,我们的核心使命是在具有极高杠杆效应的关键任务上,打造完全开源的强化学习交互环境。
这与我在AI2指导华盛顿大学 (UW) 和AI2研究员Hamish Ivison所做的工作一脉相承,即开源终端交互基准T-Max。当前面向命令行终端的基准评测(如Terminal Bench)非常火爆。T-Max完全依赖合成数据管道:通过提示词驱动前沿大模型生成特定领域的疑难问题,设计多元提示词以保证任务多样性,随后利用模型的Rollout展开执行过程以抓取潜在Bug并剔除异常样本。这一套工程逻辑毫无玄学可言——只要你认真通读和校验每一条数据,数据质量就会显著提升。
但在当下的市场环境中,极少有研究机构愿意投入数万或数十万美元的扎实成本去精心打磨一套开源环境,因为闭门商业化的诱惑实在太大了。
我曾半开玩笑地对论文作者说:“你完全可以先把这套环境以一百万美元卖给前沿实验室,然后再把论文发出来。”他们回答:“绝不,我们只在乎把正确且有价值的事情做好。”开源研究资源构成了全行业科学探索的公共基石。
当你向学术界开源了一套包含交互Rollouts的RL环境,博士生和学者们便可以立即展开深入研究——比如研究模型的评测感知 (Evaluation Awareness) 特征,分析模型在强化学习训练轨迹中的行为漂移。这些基础科研设施通常需要博士生耗费整整一年才能搭建完毕。计算机科学界的所有公共研究成果,其产生的经济红利最终都会在十年内完全流向科技产业。如果大家未来十年都打算在这个行业深耕,理应倾力支持开源公共基础设施的建设。
眼前的短期暴利诱惑太大了:几个年轻人在毕业五个月后拉上好友成立初创公司,转手就能拿下数千万甚至上亿美元的估值与回报。那些原本可能为开源社区贡献核心代码的顶级人才、那些原本在读博士的优秀学者,纷纷被吸纳进了商业闭环。
这也是为什么我们将实验室命名为Trillium(延龄草)。延龄草是一种早春短命植物,它在整片森林的树冠长出浓密树叶之前就迎着料峭寒冬率先绽放。它的绽放对于在春夏生长周期中为整片森林的土壤输送养分至关重要。
当下的AI产业走得太快了,许多事情看似无比繁荣,但我们需要一股纯粹的生命力去充实生态的土壤,降低新入局者的探索门槛,专注纯粹的技术研究与公众科普。
随着规模扩大,这些完全开源的基础框架将成为全行业审视重大核心命题的基准:我们如何界定沙箱安全性?如何量化定义所谓“失控”的边界?在跨越数千乃至数万张GPU的强化学习大周期中,模型的对齐指标是如何发生漂移的?
建立起公开透明的实验平台,整个社会才能对前沿技术建立起真正的信任。这能够为整个产业带来巨大的复利回报。我极其庆幸自己能投身其中,我现在的使命,就是为更多独立思考的研究人员撑开空间,共同构建这些属于全人类的技术基础设施。
英文原文
Nathan Lambert: I think most of our work will be making open-source environments for tasks that are very high leverage. So I think of this work that I advised Udub or Udub and AI2 state and Hamish Iverson on this T-Max work which is you use a few it's for terminal tasks which are like super popular at terminal bench whatever number we're on and this is fully synthetic data where you prompt a frontier model to generate a type of problem and you use a few different prompts to generate diversity and then you use model rollouts and other things to find bugs and lamb and eliminate the ones with bugs. And this process is not magic. It's like you read every data point, your data will get better and you can do this. But there's just not that many institutions that are investing what it takes thousands or tens of thousands of dollars to make these environments well and then release it because the profit because the profit motive is so high. So high. I was joking with the author like you could probably sell this data for a million dollars and then release the paper and they're like nobody like we care about doing the right thing. But it's just like oh my god these open resources are the fun foundation of so much study and it's like you release some RL environments with some RL rollouts people can do research on say like a val awareness you you have the generations from the model people can look for different behaviors if you've done RL on it they can see how it goes over time and this is just the the units of infrastructure that PhD students spend a year looking at and produce increased knowledge and the tech industry is the place where value is captured. captured from CS research all CS research the benefit occurs to the tech industry in like 10 years and I just think like this is why more people supporting open that if they're going to work if you're going to work in the industry for 10 years like your peers are going to be the ones that benefit fossil fuel let's not deplete it all but it's just like the opportunity to short-term win is so high the opportunity to make what is $100 million like nine figure returns for your business within five months of founding a startup with your friends is just like these are people who may have done more open-source work or these are people who left their PhD or something and it's just like pulling back which is why we came up with this name trillium for our lab which is like trillium is a spring ephemeral flower which it blooms before the canopy has grown its leaves so it's like winter there's no tree leaves on the trees these trillium flowers bloom and they're like essential for spreading nutrients through the cycle of growth that comes through spring and summer and this is where I feel like the AI industry is doing so much, right? It's like so much is going right, but it's just like we just need a little bit more life to like spread this out and make things so new people can come in like there's so much attention and just like do research, do education. Yeah. And then as this scales and becomes more impactful is like you have these open things which become the standards of study for such important problems which is like how do you understand sandboxes like how do you define what loss of control is? How can you see how this changes in a RL round that is a week on a thousand GPUs or 100,000 GPUs? And it's just like make these places so that people have more trust. And I think this pays so much dividends to everybody that stands to profit more than I do. And it's just like hard to get people to take that leap. And like I've been rewarded so much for kind of stumbling into this area and now I get so much reward. they get to do things like this which is fun and it's like now is the best job because I try to create space for more people to like grow their independent thought and build this infrastructure.
主持人: 开源的天然优势在于能够凝聚全球分布式开发者的贡献。大家并非纯粹为了将成果兜售给大厂,而是出于开源共享的热情,这往往能吸引极高水准的贡献者加入。
英文原文
Host: Yeah. And maybe one like kind of naive way that it kind of perpetuates is just because it's open source, people get to you you might get more of a distributed contribution from people who are just so you know it's like they're motivated not for just trying to sell to the labs themselves but because hey it's out there they can share their work and then you actually have a very high caliber amount of contributors uh to the project. I mean that that would probably be the the naive hope of how that
内森·兰伯特 (Nathan Lambert): 在AI智能体 (AI Agents) 泛滥的时代,开源协作面临着全新的挑战:自动化工具让垃圾信息成倍增加。
在我一些学术论文的代码仓库里,人们在GitHub上提交的Issue荒诞得令人哭笑不得。
英文原文
Nathan Lambert: Yeah, it's a new puzzle with AI [laughter] agents where people just throw things at you. Like I have some re random research repositories for research papers and I'm like people open the most crazy GitHub issues now. So
主持人: 具体指什么?
英文原文
Host: what do you mean?
内森·兰伯特 (Nathan Lambert): 充斥着完全虚构的伪造科研结果。有人发工单言之凿凿宣称:“我在你的数据集里发现了某某重大异常。”我只能无奈回复:“朋友,如果你读过论文的话,我们在正文第二句话就已经白纸黑字写明白了。”整个社区充斥着大量由语言模型自动生成、未经验证的垃圾评论,这是开源社区当下面临的全新困境。
但这并非不可解决。真正愿意静下心来为技术本身做出坚实贡献的人始终存在。
前不久,一位来自东欧的开发者主动帮我完善了新书的代码实现。这种纯粹的技术交流非常美好。但当下最大的问题在于,很多人缺乏坐冷板凳的心态。当你进入一个全新的技术前沿时,你最初是一无所知的,必须耐住性子连续研读数周晦涩的文献;当你发出求教邮件却无人回复时,你需要持续积累数周的上下文,才能提出一个真正有深度的问题。
在拥有了大语言模型之后,很多人习惯于一键生成文本,随意扫两眼就群发出去,彻底丧失了沉浸式深度思考的耐心。
在AI领域立足没有捷径:你必须全神贯注,亲自动手写代码,日复一日坚持数月甚至一年,经历长达半年到一年半的沉淀才可能获得业界的认可。如今各类AI智能体的浮躁推手,正在不断侵蚀年轻研究者的专注力。
这正是很多数学家同样抱怨的现象。对于当下的博士生而言,这是一个充满巨大诱惑却又极其艰难的时代。即便学术界仍在产出卓越的工作,但真正的深度钻研变得更加稀缺。
英文原文
Nathan Lambert: Like just like like fake research results. They open an issue and they're like oh my god and they're like I found this thing in your data set. And I'm like, well, if you looked at the paper, we said that in like the second sentence, and it's just like a lot of language model output. And that's a new thing for the open community to go through. But this is a solvable problem. Like like there are people out there that want to contribute to this stuff because they
主持人: 随着智能体自身能力的提升,它们反过来也能充当高精度的过滤器,帮助我们筛选出真正有价值的代码提交。
Trillium将开源RL交互环境作为核心突破口,这在极度追逐短期利益的环境中极为难得。另一项你在立项声明中重点提及的议题是自我递归迭代 (RSI)。
围绕RSI的讨论充斥着夸大与神话,有人陷入了“智能奇点爆炸”的恐慌,甚至我接触的多位顶尖实验室核心研究员都真切地相信,自己作为AI研究员的工作在一年内就会被完全自动化。
英文原文
Host: right not just clout chasing in another, you know, dimension, but like actually, hey, it's out there, you know. I mean I I would just hope because it is published and open or you know and and available you can actually just get like PhD students or other researchers who are like okay I do this on my day job but maybe I can you know still be able to contribute. Yeah, hopefully from the Frontier Labs. Like I see people like this and I was like great somebody from like Eastern Europe was helping me improve the code for my book that's just right here and it's just like doing it for the right thing and like we talk [laughter] and like there are people that do it and I think a lot of people just take like they don't have the time or the stability to take the long time it takes cuz when you're trying to get into a new field you know nothing. You have to spend like weeks reading and knowing nothing and then you send an email and nobody replies and you just like it takes you weeks to know the context to like ask a good question. Yeah. And now with language models, most people just push a button and they're like, "Oh, interesting. I read this. I'll send it off." And it's just like this Oh, yeah. kind of like sitting in it is the thing that people don't do as much. And that is the key to like becoming into AI is that like you just have to focus on it. You have to write some code by hand and you have to do this for months and then you have to wait six to 18 months for you to get noticed. It just takes a long time and like all the AI agents I think just like frazzle that and makes it harder for people. That's what the mathematicians complain about too. [laughter] That's all it's like um so it's a hard time to be a PhD student but people are doing great work in academia still and but it's hard. Yeah. But I agree with you. I think it's like solvable as the agents kind of perpetuate some version of the problem. can also help solve and and identify an end quality filter. Um, okay. So, environments you're going to release open source versions of that help precipitate maybe more people to contribute and and reveal that. I think that's like really I mean especially given how little incentive there is to release this instead of just get um you know fast uh revenue from from the labs. Um, another area I think I read on your announcement post is RSI, which is, you know, quite um I think I mean we can first talk about what [snorts] is actually recursive about it or how scary it is or whether we're going to have takeoff. I think you have a very grounded opinion on that. Um uh but you know another thing I want to kind of talk about is I think RSI maybe related to how much it's kind of hyped is is a reason why we are afraid Frontier Labs will pull away. Um, in fact, it's also a reason why I've heard not just once but several times that people are one convinced that their own jobs are going to be automated as a researcher.
内森·兰伯特 (Nathan Lambert): 确实如此。过去几年里,我身边一些称得上全球顶尖专家的好友私下常陷入严重的虚无感:“内森,我每天上班都很焦虑,我们到底该怎么办?我的饭碗是不是快保不住了?”
正因为他们从事的大量算法验证工作属于强验证领域,这部分任务很容易被自动化;但在模型对齐、创造性探索等非分布(OOD)任务上,机器还远远无法替代人类的直觉。
关于RSI如何打破神秘感、前沿闭源实验室与开源生态的真实代差校准,你打算在Trillium如何推进行业透明度?
英文原文
Nathan Lambert: Yeah. Yeah. Like I've gone through the last few years, some of my best friends, I'm like, you are some of the best people in the world at this. And then they go to the work and they're like, Nathan, I'm I'm struggling like what am I going to do? Because to your point like a lot of what they do is verifiable, right, for um but because of that, you know, there's actually quite a lot of other non-verifiable or harder out of distribution tasks such as um uh uh was alignment and things like that. And so actually because I mean one argument I heard was because there's such a difference between how well RSI is doing for model capabilities versus alignment which is much more out out of distribution maybe creative work that gives people an ease on how you know maybe there is actual dangers etc etc. Um so anyways because of this I'm very interested in hearing from you like how because I think it's really important that we do have an open-source um kind of front and in and showing how RSI is being done how much maybe then we can you know understand the capabilities of like if in within a lab they have a better model what what are the chances they actually pull away just better understanding calibrating um so yeah would love to hear more about that that
去神秘化:破除AI自我迭代神话
内森·兰伯特 (Nathan Lambert): 我们不是唯一在这个方向发力的团队。RSI现在笼罩着浓厚的技术神话色彩,外界总觉得实验室已经实现了一切任务的全自动迭代。
作为非营利开源实验室,我们以及EleutherAI、Hugging Face,或是斯坦福Marinn团队推出的OpenAthena,都会在这一领域积极发力。
我们要做的是彻底公开全套技术栈:我们将发布覆盖SFT、中训练和强化学习的开源技术栈,接入SkyRL等工具链。我们将完全公开具体的任务定义、环境配置、算力规模,以及调用Claude、GPT等闭源模型的完整轨迹日志。
无论我们日常使用Linear还是其他工具来做工程排期,我们都会向外界据实公布:我们让模型尝试了哪些任务、为什么挑选这些任务、模型在哪些环节运行成功、在哪些细节彻底卡死。
通过持续一整年的跟踪实验,每隔六个月拿出一份扎实的透明度报告:AI究竟在哪些环节接管了工作?六个月过去后是否有质的飞跃?
与其让外界通过捕风捉影的模糊言论去猜测实验室的进展,不如由我们直接向公众展示:这就是内森让模型处理的真实代码任务,这就是模型写出的致命Bug,这就是它无法突破的技术瓶颈。
这对于政策制定者具有极大的解毒作用。当监管者亲眼看到模型具体是在哪一行代码逻辑上崩溃时,才会意识到当下的真实瓶颈在哪里。
模型的锯齿状能力分布和偶发的语法Bug随着时间推移确实会被不断修复,但我认为在宏观层面,AI会优先在特定工程切片上率先起飞。比如前文提到的系统运行效率:模型极度擅长帮助工程师重构架构、压榨GPU吞吐量并大幅降低服务部署成本。前沿实验室在系统效率优化上押注了数十亿美元,模型能够切实帮助他们赚取巨额利润。
但这绝不意味着模型能在一夜之间完全解决复杂的通用知识工作。Claude不可能自己给自己下达指令:“Claude,请为自己制作一套更精美、更具战略洞察的商业PPT。”
解决复杂的知识协作工作流,需要跨越极其漫长的现实阻碍。
英文原文
Nathan Lambert: yeah so I think this we won't be the only people doing this but essentially like RSI has so much mystique like we're using models for everything and like what we can do as a open lab and a nonprofit and I think other companies like a Luther or hugging pace or open Athena which is Marin and Stanford they will get into this good marketing line for them is and me I'm doing this and it's like we can share what tools we're using we're going to build an open source stack for SFT for mid-training we're going to use SkyRL miles all these things you know and we have our task we have our configs we know what type of compute we're running we could work with cloud and GPT and all these models and we'll just like we can store the trajectories for what we did. We can tell you what our tasks ever use linear or whatever these popular things are. We'll say what our tasks were and why we chose them and whether models work on them or not. And you just do this for a year of a lab and you're like here's what we did and then you just check in every six months and you're like has it changed? And and it's just like to be able to have the full stack and not need to go through these classifiers and like try to like say what the task is or vaguely and so on. It's just like people that can share what automation is happening should do this and we have a different distribution of tasks. But I think that the research is similar like other things like the AI research that I've done at AI2 and we'll do at Trillium versus what people do in some sects of acne and the labs. It's not that different. You have more resources. You scale it up and it's just like so good for the world when everybody's talking about this to just just show people like this is what Nathan asked his model to do and this is what it got stuck on. And I think that will help a lot of like literal policy makers like you're like, "Oh, okay." It's like, "Oh, that's why it's [laughter] very much like that's what it got stuck on." Like that's the bug that it put in its code. Like the bugs and the catchups will will reduce over time. But I think I think the jaggedness and some of these fundamental things of the model is like some more things will take off. Like I said efficiency earlier, like I do think the models would be really good at lowering serving costs. These companies have billions of dollars on the line and the models are good at it. They're going to make a lot of money on making serving more efficient and tweaking architecture in order to go into that. But it's not necessarily like how do you solve knowledge work? Like Claude's not going to cla's not going to like you're not going to be like Claude make tell yourself to make better PowerPoints like like what what is environments or some other [laughter] you know like it's going to take a while.
主持人: 我非常欣赏你“剥离神话、回归工程现实”的清晰目标。围绕自我递归迭代的许多恐慌之所以被无限放大,就是因为闭门实验室的黑盒状态让一切听起来玄乎其玄。
英文原文
Host: Yeah. Yeah. No, I I love the the specified goal of like let's just demystify this because I think a lot of why the rhetoric gets so heated around RSI just like it sounds
内森·兰伯特 (Nathan Lambert): 这正是非营利科研组织能够发挥关键公共价值的地方。大学教授很难要求博士生拿出40%的时间仅仅用来详尽记录工程文档并向公众公开;但向行业展示真实实验环境、提供可复现的基准评估数据,本身就是极具社会价值的基础服务。
建立起这种稀缺的技术透明度,全行业才能拥有公允的参考标尺,从而衍生出许多今天无法预见的长远价值。
前沿实验室核心员工关于“自己随时被取代”的焦虑,恰恰凸显了这项工作的紧迫性。如果内部研发流程高度自动化,外部接触到真实组织架构细节的人就会更少。学术界近期成立的Open RSI联盟也在朝着这一方向努力。我们需要多元化的实验路径共同打破黑盒。
关于前沿实验室的技术内幕,业内常有一种说法:顶级实验室采用的核心训练方法在学术界并非完全未知,真正的秘密在于调配这些参数与算法的精确配比。闭源巨头凭借庞大的资本支撑,能够进行海量规模的对照实验来验证最优配方。
这一方面令人欣慰——因为技术底层并不存在完全脱离科学认知的降维魔法;但另一方面,巨额资本构筑的试错壁垒依旧坚不可摧。
英文原文
Nathan Lambert: I think AI nonprofits can do a lot of things like this like it's hard for academia to be like as a professor 15% of my time and 40% of time of my grad student is going to be documenting what we work on. But there's like such a great like policy and community service of like here are our tasks. People can use this data to make evaluations or whatever. And it's just like just like build things that have rare information so that when people put more high focus work into it, it just has more value for all sorts of things that you can't predict in the future. It's honestly just also very timely because the kind of, you know, it's not from one person, but several people that I know from the labs are just like, "Hey, I'm going to get automated." I mean to to your point to your friends like I I will definitely as a person sorry will get automated in a year and so that probably means there's going to be less people who actually are exposed to what's being done on that particular you know part of the org um uh chart and so um there's a related academic there's an open RSI thing which is a bunch of academic institutions I'm not affiliated with it they just launched like last week so I was like yeah they sent me a few emails I'm like open RSI is a thing they're trying to do this as well like it doesn't need to be just one group there's a lot more. It's good to have different approaches doing this because you get you need the different ways of looking at it and different results. Yeah. Whole point of it being open. The other thing I also heard was from more kind of like you know Frontier Lab Goss is just like the actual methods that are being used in the labs are not that it's not that they're unknown. It's just sort of like what are the proportions that need to be used that are successful and this is partially because they have the capital to scale it to experiment. Um so I think that's one heartening to know because like okay it's not like there's a big secret of what's going on. So people actually know the techniques but on the other hand you know capital is the one true barrier still because it's hard to actually know which of which of the techniques recipes uh work. Um
预训练门槛与开源商业战略
内森·兰伯特 (Nathan Lambert): 这正是我拒绝做基座模型预训练的原因。不做预训练让我彻底获得了技术自由:我可以站在巨人的肩膀上采用任何顶级的开源基础模型,直接从激烈的市场竞争中坐收技术红利。
英文原文
Nathan Lambert: that's why I'm not pre-training. I'm happy to be free. I can use any base model but equal I'm I'm now get to benefit from competition.
主持人: 你认为未来开源社区在纯预训练赛道上还有机会吗?众所周知,预训练的资金门槛比后训练高出几个数量级。从商业策略角度来看,开源预训练模型的生存空间在哪里?
英文原文
Host: Yeah. I do you think that there's like a chance for any pre-training open-source effort? I know the capital requirements are just like orders of magnitude larger. So that is what's difficult. Um but maybe what are the values of that and then maybe we can kind of discuss potential commercial strategies that make
内森·兰伯特 (Nathan Lambert): 预训练的技术科学其实非常通透,相关的开源工具链极其成熟。业内有一套成熟的“预训练阶梯”(Pre-training Ladder)验证工具,可以用极小规模的算力去校验架构和数据想法是否具备可扩展性。
与日新月异、极其繁琐的RL环境相比,公网预训练数据量的物理上限并没有发生数量级的剧变。在粗略的一阶近似下,大家本质上都是在消化整个公开互联网的数据资产,尽管细节和过滤清洗上有各自的专有工程经验。
这些技术本身并没有翻天覆地的不可逾越性。真正飞速演进的是最前沿的稀疏注意力架构以及GPU硬件芯片本身。
构建一个性能扎实的高水准预训练模型,并不需要投入十亿美元的天文数字。虽然资金投入越多、模型表现通常越好,但你根本不需要花掉数十亿美元才能做出一款有竞争力的基座模型。许多新成立的初创实验室完全有能力从零手搓自己的预训练体系。很多初创团队直接Fork了英伟达的Megatron-LM等开源代码库,根据内部需求定制重构,然后便默默运行,不再将代码回流至上游主干。即使是头部知名模型实验室,也普遍沿用了这条工程捷径。
因此我绝不会看轻新入局者的创新潜力。打造有竞争力的基座模型并非只能是大厂专属,真正的生死关卡在于:如何让模型在现实任务中足够优秀,足以吸引第一批核心用户,从而为下一轮融资支撑起扎实的商业叙事。
当你的公司将所有筹码都押在“我们的模型天下第一”上,而实际交付成果却与第一梯队相差甚远且迟迟不敢发布时,你的生命倒计时就开始了。像Thinking Machines发布其第一个模型Inkling时就极其坦诚:他们公开承认这并不是世界上最强大的模型,但他们为之自豪,并在其中嵌入了一些非常亮眼的特色工程;如今他们迭代出了第二代模型,并基于Tinker搭建起了正向闭环。
虽然他们早期的战略重点并非纯粹做开源模型,但随着业务推进,他们成功建立了商业立足点。随着马克·扎克伯格 (Mark Zuckerberg) 透露Meta将继续推出新一代开源权重模型,市场上绝不会缺少优质基座的供给。
英文原文
Nathan Lambert: pre-training science is pretty like that the tools are pretty accessible and you have what is a pre-training ladder which is like the decision-making tool you have to test if your ideas scale and the pre-training data isn't growing at like like the environment scene like it's essentially so first approximation you train on the internet and like there's a lot of there's little there's little details and secret things. But but like that's not changing that much. The state-of-the-art architecture is and the GPUs are and that's like that changes and but it's not astronomically expensive to make a pre-trained model that is solid. So I think like you don't have to spend a billion dollars to get a very good base model. The more you spend the better you will get. But it's like people keep making progress and I'm constantly surprised by a new lab just goes from scratch because they can. And some of this is on open tools. So like you can go off Megatron like a lot of new startups they're like oh what what should we train? We train they train off the open source tool and they fork it and then they never release it again. This is what all the all the like even prominent open model labs have done. They take the open source code they make it their own thing and they just a lot of them don't push upstream. Mhm. So, I've always been surprised by this. So, I'm like not betting against new entrance because like it's not that you need 10 billion dollars to like have a relevant model. The hard thing is like get a model that's good enough for people to use. Mhm. And to get a story where if you release it, you can do your next fund raise, which is like you have to get past this lock of like we need our first model to land. If like your whole company is based on models are the best and you're not in the ballpark and you're not releasing like you're on the clock and it's like I think of like thinking machines getting inkling out where it's like they were very transparent. They're like this wasn't the best model. We're proud of it. Has some cool things. Yeah. And like they're now they've released their second model and they're getting going and they have Tinker has this like that's very good for them. They're like off the ground and it's just like that I don't think that's what they were do. Like they were building models but open models wasn't their first plan. and then they got there and there's a lot there's rumors that like Meta said they'll release a new openw weight model again like that'll come there's a lot of companies out there that couldn't afford models.
主持人: 是的,Thinking Machines的业务模式极其自洽,因为他们的核心商业壁垒在于后训练。至于Meta,正如你在先前的技术博客中深刻分析的那样,开源完全服务于扎克伯格的核心战略:将最底层模型基础设施商品化,从而最大化保护并反哺Meta主营社交广告业务的护城河。
英文原文
Host: Yeah. Yeah. I know I'm definitely you know glad that thinking machines is and it makes so much sense for their business model um because they do post training um and you know with meta I think you mentioned this as well in some previous writings it just for them it's just such a good strategy. I think it was also just kind of obvious when they they do it. It's like it's complimentary to my, you know, revenue streams.
内森·兰伯特 (Nathan Lambert): 在Llama 3发布时,扎克伯格写下了业内论证开源商业逻辑最透彻的一篇博文。
英文原文
Nathan Lambert: Mark wrote the best blog post on this. Like when Llama 3 came out, he wrote like the best like why open his path forward.
主持人: 尽管他中间偶尔会被元宇宙等其他赛道分散精力,但他总能迅速杀回核心主场。希望Meta能够继续坚定地推进开源。
回到利用预训练追赶前沿的话题:由于学术界不断从优秀开源模型中汲取工程养分,但在预训练是否已经达到性能瓶颈与边际递减的判断上,业界信号依然充满矛盾。大家掌握的基础原理是类似的,真正的硬门槛似乎只是能否调动两到三万张高规格计算卡。
英文原文
Host: Right. Right. Guy got Guy got a little distracted. Seems like he's coming back to Right. Right. Yeah. [laughter] Yeah. So I hope that they they keep on being motivated to do that. um getting to the frontier with pre-training. You know, I think there's a lot of help given that there's such good open source models to maybe, you know, somehow still kind of bootstrap from. I I keep on getting kind of conflicting signals as to like whether pre-training is actually as saturated or well understood. I mean, maybe maybe to your point like there's a lot of like well-known techniques that work, but what's hard is just actually having access to the 20,000 30,000 chips.
智能体集群与开源长期韧性
内森·兰伯特 (Nathan Lambert): 工程师们正在对预训练技术持续微调,尤其是当超长上下文生成(Long Context Generation)成为标配后,预训练范式发生了重大调整。如果通过优化稀疏注意力架构,使模型在生成10万个Token时的吞吐速度提升40%,所释放出的商业价值将极其可观。
因此,整个技术架构呈现出协同演进的特征:预训练体系不断根据推理阶段的扩展定律进行自适应优化。更关键的演进发生在中训练阶段(Mid-training):研发团队需要从上一代旧模型中提取早期的推理萌芽行为,将其作为种子样本注入新模型的强化学习循环中。
这一套贯通中训练与后训练的飞轮系统,其复杂程度远超传统的纯预训练。如果团队没有极高水平的核心架构师,想要从零跑通这套体系要比单纯搭建预训练集群艰难得多。
纯粹的基座预训练是一个受控且边界清晰的工程任务;而当今充满动态RL探索的后训练体系,则完全是一片缺乏确定性规则的狂野西部。
这也是为什么当我离开AI2时,我明显感觉到团队原有的后训练体系逐渐脱节,根本原因在于实验迭代周期拉得过长。面对扑面而来的智能体浪潮,开源社区原有的很多经典后训练工具链已经力不从心。
这正是Trillium立志要攻克的核心死穴:由于开源生态当下的基线水平相对偏低,我们根本不需要消耗前沿大厂级别的巨量资金,只要聚焦关键后训练瓶颈做持续的工程微调,就能在开源前沿实现巨大的复利突破。
英文原文
Nathan Lambert: people are turning the crank on pre-training and pre-training became adjusted when super long context generation happened. So there's just way more return if you're if you can for example like get a sparse attention architecture to work as well and then your 100,000 token generation is 40% faster. So I think there's a lot of co-evolution of the whole stack where they have their pre-training stack they realize that inference scaling is so much higher but even the fundamentals of pre-training keep improving where you just have a marginally better architecture returns on investment and then it kind of blurs into post-training where this mid-training where you start the reasoning behaviors you take them from your older models you do RL on them the seed behaviors like this cycle is much more complicated than pre-training like I think it's if you don't have the right people it's a lot harder to get that off the ground than I think pre-training was like I think there's like I think like to do a controlled like let's just start pre-training our model seems a lot more approachable to me then I don't really know much about language models I'm going to figure out this whole post-training thing where it's just like the wild west. Yeah. And that's why I was like when I left AI2, I felt like our post training was honestly falling behind just cuz our cycle time was not high enough and we're going into these agentic things and these are still some of the like leading open source post training recipes and to that's just like that's what I want to fix is like it doesn't take as much capital to make very big compounding gains on the state of the art and the open source because the bar is very low. It's like it's not like it's not close.
主持人: 这非常合乎逻辑,本质上是将有限资本配置在杠杆效应最大的关键节点上。
从后训练延伸来看,闭源实验室在其特有的自动化测试架构(Harness)上进行了深度协同设计,其模型专门针对这些特定的运行沙盒进行了定向强化训练,这使得外界对其真实表现更加难以窥探。
你如何看待这一工程差异?面对动辄并发调度上万个智能体的超大规模任务流,开源生态该如何破局?
英文原文
Host: Yeah. Yeah. No, that that makes sense. It's just like a kind of efficiency of where you can put capital and make a huge difference. Yeah. Yeah. kind of related to the whole you know post-training side maybe you know pulling away from closed and open is the fact that the agents you know the type of harnesses that are being used in the closed labs are very different and slash you know actually trained and you know post-trained on to to you know to to be specifically good for um their models are specifically good for those harnesses and so that in increases the mystique even more makes it very hard um how do you I guess one, do you agree? And then two, like how are you sort of hoping specifically to kind of address that? And things I mean are really examples like, hey, spin up like thousands of agents, tens of thousands of agents. It's just like a very different workflow than what people are are obviously um exposed to.
内森·兰伯特 (Nathan Lambert): 我认为开源生态最终完全能够适应并消化这种差异。
几年前我曾设想闭源巨头会像苹果公司 (Apple) 一样,构建高度软硬一体化的垂直封闭生态:模型专门针对私有调用环境进行深度契合,以此筑起极高的规模经济与运行效率壁垒。
但现实商业发展的轨迹是:下游用户针对自身独特的业务场景构建了成千上万种千奇百怪的调用架构,倒逼闭源大模型提供商必须不断调整模型架构,以兼容泛化到五花八门的外部Harness中。
曾被视为开源短板的“必须兼容多种不可预知的运行环境”,最终在动态博弈中演变成了一种行业均衡:无论是开源还是闭源,模型都必须具备极强的环境适应性。
在当下的智能体集群 (Agent Swarms) 探索中,OpenAI和Anthropic凭借强大的先发优势确实走在最前列。他们更早理解如何优化模型内部表征,更早探索出如何构建能调度上万个智能体的多智能体协同系统。
前沿实验室在先发探索中享受着极高的商业回报。但这背后也包含着巨大的未经验证的先验假设:他们坚信推高智能极限所带来的边际回报是超线性的,因此不惜一切代价向上冲刺;但这种商业假设是否在所有垂直领域都恒成立,目前尚无定论。
一旦行业摸索出协同调度一万个智能体的底层通信拓扑与协同规范,开源模型团队很快就能完成逆向解析与快速跟进。像Kimi这样的团队目前没有率先涉足该领域,主要原因仅仅是手头缺乏挥霍在实验上的庞大算力。
随着硬件厂商的芯片算力成倍飞跃、整体算力供给不断充裕,算力瓶颈也会经历周期性缓解。
英文原文
Nathan Lambert: I think it'll be okay for open because I thought years ago that say the closed labs would be like Apple. There would be the integrated company where they have the model designed for the harness involved. It gives them um like kind of economy, scale, efficiency. But it turned out that so many people have different harnesses for different things that they like to do that the models companies have been pressurized to make it so that their model can work in all sorts of different harnesses. And I thought it would be a weakness of open models that they have to be designed to train on all sorts of types of harnesses. But it ended up being pretty equilibriated or like it's at equilibrium where they all have to do it to some capacity. And then what we're seeing with this like agent swarms is that OpenAI and Enthrop are going to be earlier to it. They're going to know how to design their models. They're going to know how to design what do we call what do we call want to call a harness for a swarm. I don't know like [laughter] I don't know but there's going to be a word for it. It's not a harness. It's like a coordination system. But then eventually other people are going to want to use them. And then I think it's going to be like these cycles where the Frontier Labs like they push this out and they have this to date they've had huge returns on being first. like what is the returns on Navier Stokes and all these things like we don't really know like we don't know they push the frontier in the assumption that there will be high returns and that this marginal intent marginal intelligence has like disproportionate returns and we don't know if that's always true but I kind of expect these cycles of like once you know the shape of how do you control 10,000 agents in one harness then the open model companies be like oh we can do this too but it's not like Timmy is going to do that first for one they don't have the comput. Yeah, it's an astronomical amount of comput, but these things go through cycles. Nvidia's chips will get way faster. There's more comput built out.
主持人: 你坚信这其中并不存在无法逾越的终极黑盒:我们可以根据第一性原理推演出技术实现的脉络,并在开源侧进行复刻。
此外,这些顶级前沿实验室在保密机制上的防线,也远没有外界想象得那么严密。
英文原文
Host: So, you're very convinced that like there's not too much hidden there that you can probably guess at what they're doing and then when it becomes relevant, let the open source models actually try to also post train on similar meta harnesses, whatever name. And I also think like
内森·兰伯特 (Nathan Lambert): 硅谷最著名的文化特征就是“思想的半衰期极短,扩散极快”。几杯啤酒下肚,下班后同行之间的思想交流几乎无法阻断。
除了像SSI (Safe Superintelligence) 这样实施近乎军事化绝密封闭的特殊机构,大家归根到底都是热衷于学术探索的科学家。如果一个研究员在模型训练上实现了重大理论突破,他们本能地渴望向圈内同行分享。他们或许能在两到三个月内守口如瓶,但要想长期锁死信息扩散,在工程学和人性上都是不可能的。
闭源前沿巨头真正的必杀技,在于将其基础设施与推理引擎优化推向极致,从而以最低的每瓦特成本(Cost per Watt)和极具竞争力的单价输出最高质量的智能,并在庞大的现金流中维系高额毛利。
他们能够以全网最具价格竞争力的推理服务占据核心枢纽,这是一门极其优质的确定性商业模式。但单一巨头无法通吃所有长尾应用,这就是开源与创业生态蓬勃共生的土壤。
英文原文
Nathan Lambert: the the security at these labs in terms of information is not as high as they think. Like Silicon Valley is famous for like ideas traveling like what is it like one beer or something and it's like everybody chats after work except which is why SSI is so impressive. That's what's going on. That's the only past. But it's like we're all everyone's scientists. If they made a breakthrough they're going to want to tell their friends about it. They might hold it. They might hold it for a few months, but like I don't think there the amount of lock like information security you would need is just so high that knowledge spreads. It's hard to keep this secret. Like what you what they can win on is putting more inference into their infrastructure which lets them serve at a lower price and make higher margins and then continue this over a longer time. So I'm very confident in the frontier labs being able to serve the cheapest intelligence per per watt per scoral. They are going to be able to go to the places with the highest demand and have the like the cheapest models and that will be revenue creative like that will be good business for them. The question is like they can't do everything and that's where the rest of the economy fills in is like is it just coding that is profitable then? Definitely not good case for frontier models because they will have the mo like they have integration. They'll do very well but it's coding is the whole economy of knowledge work is the market for things and then it might not be good for them because can they do everything at once or they don't need to though. I think there's going to be a lot of winners.
主持人: 这正是我们不仅投资前沿巨头、同时也重金布局应用层初创公司的底层逻辑。这不是简单的对冲策略,而是我们深刻认同:边缘长尾场景中有大量复杂且非通用的专业数据,它们天然独立于AGI通用的技术演进路径之外,足以支撑起多方共赢的繁荣生态。
你对RSI的务实解构极其精彩:面对算力消耗与工程试错的指数级成本递增,前沿实验室想要无限制拉大与开源生态的绝对代差,存在着客观的物理与商业边界。
面对当下舆论场对于前沿黑盒与技术失控的过度恐慌,你还有什么想补充的吗?
英文原文
Host: Yeah. Yeah. I mean that's what I I mean that's why we invest in the frontier models and in startups you know um not because we want to hedge but because I actually do think you know to kind of cooperate your view that there's enough harder tasks at the fringe that requires a very specialized data that's kind of out of the splash zone for getting to AGI or whatever you want to call it these days um um that makes it possible to have many many winners. Yeah, I do like your RSI point as we talked a little bit about it which is just kind of say practically hey it's exponential cost and resource consumption and therefore there's a very obvious kind of limit to how much that um the Frontier Labs can pull away um if that's not too oversimplification of your view um anything else you kind of want to add there because I I do feel like the the the discourse now is just so so much fear on like how how much the frontier here is just hidden and also breaking away.
安全基建、认知校准与未来展望
内森·兰伯特 (Nathan Lambert): 行业眼下正将无法估量的巨资砸向推理阶段。在短期内,我们正在疯狂探索如何将推理计算(Inference-time Compute)高效转化为基准性能的实质跃迁。
前沿实验室的研发团队为此消耗着相对于产出收益呈指数级增长的算力预算。在此过程中模型能力确实会迎来阶跃式提振,但这绝不意味着我们会目睹“模型自主自我改写、引发奇点瞬间爆发”的失控狂飙。
人类智慧依然是整个工程管道中最核心的制约瓶颈。现存所有的扩展定律,其核心特征都是极其残酷的物理现实:为了换取模型性能的线性提升,必须投入呈指数级增长的算力。
没有任何坚实的科学证据支持我们可以违背这一物理法则。尽管数学领域由于其严格的形式化验证属性,被证明最契合当下基于Transformer架构的智能形态;但除非研究界在底层发现某种完全脱离Transformer范式、具有全新数学特性的革命性架构,我们才需要对整体技术预测进行彻底重估。
在那种颠覆发生之前,我现有的推论拥有极强的工程事实支撑:实验室会持续取得商业成功,但他们必须投入呈指数级膨胀的资本才能勉强维持现有的演进步伐。Claude的技术白皮书明确指出,若要引发所谓的“智能瞬间爆发(Fast Takeoff)”,其模型能力的跃迁速度必须比现在再高出十倍。就当下而言,现有投入仅仅是维持住了健康的平稳增长斜率。
真正让我夜不能寐的,并不是AI能力的宏观增长曲线本身,而是与AI能力狂飙突进相比,全社会在网络安全防护体系上的准备工作几乎是一片空白。
这种宏观系统准备的缺位才是最致命的隐患。许多风险并非来自科幻想象中机器突然觉醒解锁的新威胁,而是伴随着现有技术能力的持续下沉与扩散。前沿实验室率先踩中的隐患,开源生态随后同样会遭遇。我们必须推动整个社会系统为这一技术扩散做好深度防御。
消除恐惧的唯一解药是透明度与严谨的科学研究。我们需要更多的眼睛审视黑盒内部,用开源和数据让全社会获得知情权与安全感。不对瞬间失控感到恐慌,绝不意味着对现实的安全风险置若罔闻。
英文原文
Nathan Lambert: I think there's so much spend on inference and that in the short term we are learning how to um corral inference into performance gains and this is like a thing that we just had and like this is what we are seeing now is that like people are spending so much and like all the employees at the frontier labs are spending exponential amounts relative to the improvements but like we're figuring out how to do this and there will be a lot of gains but I don't think that it's necessarily going to be this like fast takeoff when the models build themselves. It's human human bottlenecks. The all the scaling laws are exponential increase in compute for linear increase in performance and exp like that's just like it's hard for me to bet against this. I would do say that like we have Navier Stokes and I'm of the opinion that math is exceptionally well suited maybe like the scientific field that is best suited to this shape of intelligence and like intelligence can take many different forms and that's not to say that like if they do like if an AI model does say discover something that's very different than the transformer that gives very different properties and unlocks a new type of intelligence like it is worth updating on this and worth being like okay like that is different but until that happens I'm like pretty happy with my evidence of like [laughter] the companies are going to do well they're spending exponentially more to keep this remarkable pace of progress that some of the clawed system cards say this they're like it would take say like 10x more progress to make this a fast takeoff and it's like for now they're helping us sustain the pace of progress and I think it's a good equil like it's a good equilibrium but I do think that like the labs have people saying the the science is like it's hard to overcome that and it's okay but it's like we don't know exactly what it'll go from here.
主持人: 这番论述带来了极大的认知慰藉:我们清晰掌握着这个系统中的变量与输入。我们正在深度优化一套成功的自回归技术体系,而这套体系天然受制于不可逾越的物理与指数资源约束。开源生态只要保持敏锐,绝不会被不可逆地抛下。
非常感谢你带来的深度分享,内森。这是一场信息量巨大的对话,我也极其期待看到Trillium在未来为整个AI生态注入全新的活力。
英文原文
Host: Yeah. Yeah. No, I I I think that's kind of com comforting because we know what the inputs and and lovers are here. It's just there is a very successful auto regressive regime that we've been optimizing and that one just you know asks for a certain amount of like exponential resources which are clearly capped. Um and therefore open source hopefully you know keeps it strong as well. just it wouldn't lag behind. There is dramatic amount of work to do in preparing for infrastructure. Like there's the AI capability plot which doesn't necessarily worry me but the AI capability plot in the pretty much non-existing preparation of cross public cyber security and all these things like there needs to be more preparation in the assumption that this is coming than there is and then that's kind of the thing that worries me more than say like RSI is coming and unlocking new risks like there are risks that are here and that are going to continue to diffuse and many times have said close labs get there And then the open labs get there. It's like we're in this process for a lot of things that are going to cause some problems. And it's just like figuring out how to get society to prepare is very hard. Yeah. And I come of the opinion that we need more eyes. We need more science so that society feels informed. Yeah. But there are other valid opinions. And like I do think that not fearing fast takeoff does not mean that you don't worry about risks. I don't like you. No, I think that that's completely Yeah. Maybe I'll I'll send in uh some people your way that are defected from the lab worried precisely about this. Well, thank you so much, Nathan. This was a lot of fun and um yeah, I'm really excited to see what Trillium is um up to now that it's finally launched.
内森·兰伯特 (Nathan Lambert): 非常感谢你的邀请,聊得非常尽兴。
英文原文
Nathan Lambert: Yeah, thanks so much for having me.