Codex 5 has reduced intelligence
Resolved 💬 2 comments Opened Nov 17, 2025 by alixiaodi Closed Nov 17, 2025
What version of Codex is running?
0.5.39
What subscription do you have?
pro
Which model were you using?
codex5 high
What platform is your computer?
windows
What issue are you seeing?
The current codex5 is a fool, asking him to modify a problem won't solve anything. Using the same claude4,5 can completely solve it. Compared to last week's codex5, it feels much worse these days
What steps can reproduce the bug?
1
What is the expected behavior?
1
Additional information
_No response_
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