Sending a Specific Prefix to Claude Opus Triggers User Completion Instead of Response
Michael_Moroz_ · x · 2026-07-30
A user discovered an interesting model behavior: when sending a prompt containing the phrase "see the below —" to Claude 3 Opus, the model appears to abandon its normal conversational response mode and instead generates user completion text.
This anomaly, acting like an auto-complete, showcases how LLMs can experience prediction shifts when faced with specific formatted prefixes.
Related event: Specific Prompts Trigger Claude Opus Abnormal Completion and CoT Leakage(10 posts)→
More from Models
- KOL Praises Grok's Speed and Performance After Recent Use — shensi · 2026-07-30
- Kimi K3 Model Debuts on NEBIUS Token Factory, Sparking Experimentation Enthusiasm — vivekhaldar · 2026-07-30
- Developer Test: Running Evals with 14 Copies of 1-bit Model is Still Slow — TheZachMueller · 2026-07-30
- Qwen3.5 Still Performs Extended Reasoning Even When Thinking Mode is Disabled — _lewtun · 2026-07-30
- Billion-Dollar Model Tanks at Inference: A Costly Bug-Hunting Log — joshua_saxe · 2026-07-30
- Kimi K3 Revealed: Potential Hybrid Inference with DGX Sparks — TheZachMueller · 2026-07-30