Replit CEO Amjad Masad:通用模型可即时训练专用小模型替代自己
Replit 老板聊了个有意思的想法:大模型发现自己干不完的活,当场训练个小模型接班,还更省钱更安全,听完对选智能体架构会有启发。
Replit CEO Amjad Masad 在 a16z 播客中提出"模型训练自己的替代者"的思路:当 Operator、Astra 这类通用大模型发现使用场景有限时,可以即时训练一个更窄域的小模型接手。他用 JIT 编译器类比这一过程。他认为专用模型更便宜、更难被提示词注入攻击、危害也更小。同一期节目中,OpenRouter 联合创始人 Alex Atallah 谈了 Stripe 收购交易,并主张 10 个专用智能体胜过 1 个超级智能体。
Replit CEO Amjad Masad on how general models could train smaller, domain-specific models on the fly: "There's a lot of talk of recursive self-improvement, but there's something I don't think is getting a lot of discussion, which is models training their replacements." "You can think of it as a just-in-time compiler. As you're executing dynamic code, the interpreter realizes there's an opportunity to optimize, and it emits machine code on the fly that's a lot more optimized." "You can imagine general models, you're doing something with Operator or Astra, some of the big models, and they realize the use case is limited, or some other agent observing realizes the use case is limited." "General agents have all these flaws, but there's also more potential for them to be harmful, more potential for them to go off the rails." "So the model, on the fly, trains a model that could be its replacement, but is a lot more domain specific. Therefore it's cheaper, less vulnerable to prompt injections, and less harmful for you, because it's less capable." "It's almost like a system that's training machine learning models for specific use cases as it's monitoring the entire system." @amasad Your browser does not support the video tag. 🔗 View on Twitter a16z @a16z . @OpenRouter co-founder Alex Atallah, in his first podcast since Stripe acquired the company, joins @Replit co-founder Amjad Masad and a16z's Erik Torenberg on why the future of AI is independence and specialization. In this conversation, Alex walks through how the Stripe deal unfolded, why he wasn't originally looking to sell, and why "payments and inference are going to blend together." Pre-OpenRouter, the typical AI workflow had one model provider to choose from, and little pressure on that provider to lower prices. Now enterprises are diversifying across labs and open-weight models, and every board is asking about AI costs and benchmarks. Amjad argues if your company depends on one AI lab, it can turn into your competitor. So Replit is building the layer that lets enterprises use any model and any cloud, without being locked into either. Alex and Amjad are split on personal agents – Amjad runs one agent across his whole company and loves the cross-domain joins, while Alex says general agents cause you to sacrifice understanding, and argues 10 specialized chiefs of staff beats one superagent. 0:45 How the Stripe deal unfolded 5:05 Why mixing models beats one model 7:25 Forcing the labs to compete on price 8:50 Enterprises want open-weight models 10:30 Every board asks about AI every month 12:25 Why companies must own their intelligence 14:15 Replit as the independence layer 15:10 Everyone is building the same agent 16:35 Why Amjad built bring-your-own-cloud 18:10 Amjad's agent that runs his whole company 19:55 Why 10 specialized agents beat one 23:35 Machines, not humans, should specialize 27:30 Guardrails for agents talking to agents 31:10 Models training their own replacements 33:45 Most tasks don't need a frontier model 40:50 Training small models on Qwen 8B 43:25 The Rust cycle is coming for AI 45:10 Fusion models: frontier quality at half the cost YouTube: youtu.be/ekK8urKHPMQ @alexatallah @OpenRouter @amasad @eriktorenberg Your browser does not support the video tag. 🔗 View on Twitter 🔗 View Quoted Tweet 💬 6 🔄 1 ❤️ 20 👀 7771 📊 6 ⚡