{"detail":"The 'gpt-5.4' model is not supported when using Codex with a ChatGPT account."}
Resolved 💬 3 comments Opened Mar 10, 2026 by itzNemo3 Closed Mar 10, 2026
💡 Likely answer: A maintainer (github-actions[bot], contributor)
responded on this thread — see the highlighted reply below.
What version of Codex CLI is running?
codex-cli 0.113.0
What subscription do you have?
free
Which model were you using?
gpt-5.4
What platform is your computer?
Microsoft Windows NT 10.0.26200.0 x64
What terminal emulator and version are you using (if applicable)?
cmd and powershell
What issue are you seeing?
it was working like 1 day ago for gpt-5.4
What steps can reproduce the bug?
open cmd type codex then put in a message
{"detail":"The 'gpt-5.4' model is not supported when using Codex with a ChatGPT account."}
What is the expected behavior?
<img width="851" height="318" alt="Image" src="https://github.com/user-attachments/assets/fa5ff9ce-c18c-496d-b47a-f2ee36ff9e1e" />
Additional information
_No response_
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2 Comments
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they didnt help me