{"detail":"The 'gpt-5.4' model is not supported when using Codex with a ChatGPT account."}

[d.giunchi]

I’m in a Team with pro account (I was invited) , I login, logout, installed the
codex-cli 0.114.0 (tested also with codex-cli 0.113.0) , also in codex app

can not access 5.3 and 5.4

[EmiBornstellar]

I am experiencing a similar issue; were you able to resolve it?

[merefield]

Related Topic?:

Temporary issue or best available model has been actually downgraded for free tier users?

For a few hours I’ve been unable to access neither gpt-5.4 nor gpt-5.3-codex via both cli and macOS app, getting the following errors: {“detail”:“The ‘gpt-5.4’ model is not supported when using Codex with a ChatGPT account.”} (the same for gpt-5.3-codex model). Is it basically a downgrade for free tier users (as gpt-5.2 seems to be available) or just a regression? The former would be quite annoying given the official web site says: “Try with Free and Go, or enjoy 2x rate limits on other plan…

[OpenAI_Support]

Hi there — we’re closing this topic because there hasn’t been a new response for a long period of time and the discussion appears inactive. If you still need help, please start a new topic with your current question and any relevant, non-sensitive details. Thanks for being part of the community.

Avinash