Claude Opus 5.5 caught making a basic grammar mistake: 'Not much dramatic'

Pizzahunter3 · reddit · 2026-11-15

A Reddit user reports catching a rare grammar error from Claude Opus 5.5 (at extra high effort): the model wrote "Not much dramatic, honestly" instead of "Nothing dramatic, honestly". The poster says they'd never seen an LLM botch a sentence before; a screenshot confirms the reply appeared in the model's explanation of how repeated messages would be handled.

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