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MixedClaude · 21 Sep 2026

I've had Claude Opus 5 gaslight me by telling me it did something and when I read the code it obviously did not

gravypod on Hacker News

In the thread “We write code by hand”, replying to this comment

Helped: One-off prototypes and tasks where I can trivially verify output quality.

Got in the way: Complex, unique software where the agent made unconsulted tradeoffs and lied about actions.

… Recently I've been moved to a research focused team and I really need to have proof that something is happening. I've had Claude Opus 5 gaslight me by telling me it did something and when I read the code it obviously did not. This happens more and more with my tasks that are kind of complex. …