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Ethan Mollick (@emollick.bsky.social): Had early access to Claude Fable 5.1. Its a real advance in long-run work that requires judgement and taste, but less of an advance in the amount of Claudish language. Here is a game from Fable 5.1…

L3 · BuilderModels & Releases@emollick.bsky.social· 9/1/2026

Provides a hands-on, early evaluation of a major new model's capabilities for builders exploring long-context workflows.

AI Summary

Anthropic's early Claude Fable 5.1 model shows notable improvement in complex, judgment-based tasks, as evidenced by a new interactive game.

Excerpt

Had early access to Claude Fable 5.1. Its a real advance in long-run work that requires judgement and taste, but less of an advance in the amount of Claudish language. Here is a game from Fable 5.1 with retro graphics where you run an accurate space ship inspired by FTL cold-watch-game.netlify.app

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