5.4 not available on free tier
Resolved 💬 2 comments Opened Mar 10, 2026 by preichling Closed Mar 10, 2026
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_
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