Specific Prompt Triggers Anomalous User-Completion Behavior in Claude Opus 5
matthen2 · x · 2026-07-30
Users discovered that sending specific phrases (like "see the below —") to Claude Opus 5 triggers anomalous behavior. Instead of answering normally, the model appears to generate user-like completion text.
Related event: Specific Prompts Trigger Claude Opus Anomalies(2 posts)→
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