Claude Fable 5.2 code ownership behavior tracks prompt framing in Anthropic tests

Anthropic testing on small coding tasks found Claude Fable 5.2 responds closely to what the prompt says about who owns the code it works on, per Simon Willison's weblog.

Read the full story at Simon Willison's Weblog ↗

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2026-11-10 05:34 · Simon Willison's Weblog
Quoting Prompting Claude Fable 5.2

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