Worth knowing
Building a multiplayer game world with autonomous Fable-class models
It serves as an extreme, real-world case study in agentic software engineering, showing how autonomous swarms can handle continuous deployment and monitoring with minimal human intervention.
Reported by Simon Willison ·
What happened
Simon Willison reviews a report by Jacob Sansbury on Spawn, a multiplayer gaming environment maintained almost entirely by autonomous AI agents. The project uses a swarm of frontier coding agents that spend over $3 million per month on tokens to ingest error logs, file bug reports, and deploy updates to production on an hourly loop. The team found that specific frontier models enabled this level of autonomy, while other models caused operational disruptions.
Source
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