"ChatGPT Got Dumb": Pro User Threatens Cancellation Over Repeated Errors

Engine_engineer · reddit · 2026-10-10

A ChatGPT Pro user reports the model repeating the same confirmed action—promoting -O2 compilation onto an OpenBLAS backend—three times in consecutive prompts, and says he had to threaten to cancel and switch to Gemini or Claude just to move it forward. He asks whether others are seeing similar quality degradation.

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