Theory: Claude Opus 5's bizarre communication style was an anti-distillation Trojan horse
ButterscotchLow1057 · reddit · 2026-09-27
A Reddit user theorizes that Opus 5's notoriously poor communication style was a deliberate anti-distillation strategy: companies training on its outputs would sabotage their own models while Opus 5 kept its coding edge. The side effect was a frustrating experience for developers who read the model's explanations. Supporting evidence: Opus 5.5 is far more pleasant to interact with and ships a formal anti-distillation mechanism, "Preserved Thinking," which protects reasoning history and blocks retroactive system prompt edits around preserved reasoning blocks. The author asks whether this technical explanation holds.
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