Model capability deteriorates
Open 💬 1 comment Opened Jun 9, 2026 by Rookie-M-Xr
What version of the Codex App are you using (From “About Codex” dialog)?
26.601.10930
What subscription do you have?
Plus
What platform is your computer?
Windows 11
What issue are you seeing?
Using the GPT5.5 intermediate model, the problem has not been resolved and fixing it after each conversation may cause the previously fixed issue to reappear
What steps can reproduce the bug?
Feedback ID: 019ea9cc-b155-7911-9411-8abf91d0e780
What is the expected behavior?
_No response_
Additional information
_No response_
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