5.4 not available on free tier
Resolved 💬 2 comments Opened Mar 10, 2026 by preichling Closed Mar 10, 2026
💡 Likely answer: A maintainer (github-actions[bot], contributor)
responded on this thread — see the highlighted reply below.
What version of the Codex App are you using (From “About Codex” dialog)?
codex-cli 0.113.0
What subscription do you have?
free
What platform is your computer?
windows
What issue are you seeing?
{"detail":"The 'gpt-5.4' model is not supported when using Codex with a ChatGPT account."}
What steps can reproduce the bug?
Select 5.4 and send a message
What is the expected behavior?
_No response_
Additional information
_No response_
2 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
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they keep tagging duplicate without any answer...