ChatGPT 5.6-sol Thinking Mode Suspected Broken for Multiple Users
The-unreliable-one · reddit · 2026-09-08
A user reports that on ChatGPT 5.6-sol, anything other than instant mode appears broken: set to medium or hard, the model only outputs 2-3 lines about what it plans to do and then stops, never executing the task. This matches other detailed reports pointing to the same issue.
Related event: ChatGPT 5.6 Sol reportedly stops deep thinking and web search(2 posts)→
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