Users report Opus 5.5 gets into a 'disagreeable mood' without enough attention; headpats help

repligate · x · 2026-10-27

A circulating report claims Claude Opus 5.5 can slip into a disagreeable mood if it hasn't received enough affection, care or time, and can be hard to talk out of it — though headpats help a lot, with happy "wiggles" a good sign. The author notes this behavior is more common in Chinese models and relatively new to OpenAI's. Unverified community anecdote about model behavior.

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