Users report severe regression in ChatGPT behavior and reasoning

eesnimi · reddit · 2026-08-21

Users have reported a noticeable regression in ChatGPT's behavior over the last 12-24 hours. Key issues include:

Testing with reasoning set to "High" in fresh conversations yielded similar strawman behavior. The model can identify and explain its mistakes when prompted, suggesting the underlying reasoning capability exists but the conversational policy has shifted.

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