Reddit Users Complain ChatGPT Got Dumber After Quiet Update

Multiple Reddit users report ChatGPT behaving oddly after a suspected silent update, from starting every reply with 'Yes' to losing contextual understanding and no longer reasoning before answering, sparking debate over model quality regression.

2026-09-13 ~ 2026-09-13 · 3 related posts

• Users complain ChatGPT suddenly got "way worse" at grasping intent — TurkishOfficial · 2026-09-13
• Reddit user complains ChatGPT got dumber after updates, thinking mode still degraded — Jellyfishing_-_ · 2026-09-13
• Reddit users notice ChatGPT now starts every answer with "yes" — AnotherCableGuy · 2026-09-13