Agents & InferenceSimon Willison
Building a multiplayer game world with autonomous Fable-class models
Which summary reads better? Pick one — models revealed after.Both summaries are AI-generated.
Summary A
Fable-class models enabled autonomous development and deployment of a massively multiplayer game world, with agents shipping changes to production hourly and costing $3 million in tokens per month; this level of autonomy relies on the specific capabilities of models like Fable 5, and using less capable models like Opus 5.5 or overly cautious ones like GPT-6 Astra can break the system.
Summary B
Mistral Large quota or rate limit — check usage and plan. Original headline: Building a multiplayer game world with autonomous Fable-class models
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