Codex Performance decline

What version of Codex is running?

newest

Which model were you using?

gpt-5-codex medium

What platform is your computer?

windows

What steps can reproduce the bug?

codex perfromace way worse today than the last days making a lot of errors it normally does not

What is the expected behavior?

the model solving the problems correctly

What do you see instead?

code that does not work

Additional information

_No response_