Users report GPT-5.6 Sol quality drop after Aug 6 update: thinking time slashed, worse answers

giperborey-us · reddit · 2026-08-11

A Reddit user reports that GPT-5.6 Sol High and X-High in web chat feel severely nerfed since OpenAI's Aug 6 update. Used for a complex Unreal Engine 5 project, the model now rarely thinks more than 4 minutes (previously 20+), and gives poor architecture suggestions that don't work at scale. The user asks if others noticed the drop.

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