Reddit user complains ChatGPT got dumber after updates, thinking mode still degraded

Jellyfishing_-_ · reddit · 2026-09-13

A Reddit user complains that every ChatGPT update makes chat mode worse, claiming a "5.6 IQ decline" that hasn't recovered, and that it no longer thinks before answering, delivering substandard responses to any question. Purely anecdotal, no benchmark data.

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