用自主 Fable 级模型构建多人在线游戏世界
原标题：Building a multiplayer game world with autonomous Fable-class models
AI 摘要
Simon Willison 介绍了 Jacob Sansbury 用 Fable 系列模型构建的多人在线游戏 Spawn：玩家可通过提示词让游戏内 AI 代理 Savi 修改游戏世界。Spawn 的开发由一群 Fable 驱动的代理自主完成，每月 token 成本超 300 万美元，代理直接改线上代码并每小时发布，约 60% 的工作源于生产错误或用户反馈。作者认为游戏开发是探索当前编码代理能力边界的理想场景，但也对高风险软件能否采用这种模式表示怀疑。
正文节选
29th October 2026 - Link Blog How I Built the Most AI-Pilled Company in the World. Don't be put off by the clickbait headline, this piece by Jacob Sansbury describing how they are building Spawn is a fascinating exploration of the bleeding edge of what's possible with agentic engineering against frontier models. Spawn is a massively multiplayer gaming environment where players can use prompts (to the in-game agent, Savi) to modify the game world. I fired it up on my phone for a few minutes and w