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Unexpected status 400 Bad Request: 'arcticfox' model not supported with ChatGPT account #6924

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Unexpected status 400 Bad Request: 'arcticfox' model not supported with ChatGPT account#6924
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CLIIssues related to the Codex CLIbugSomething isn't working

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@vuyelwadr
vuyelwadr
opened on Nov 19, 2025

I'm using OpenAI Codex (v0.59.0-alpha.15). The model autochanged to 'arcticfox high', but now it says "unexpected status 400 Bad Request: {"detail":"The 'arcticfox' model is not supported when using Codex with a ChatGPT account."}"

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  1. github-actions
    added
    bugSomething isn't working
    CLIIssues related to the Codex CLI
    model-behaviorIssues related to behaviors exhibited by the model
    on Nov 19, 2025
  2. etraut-openai
    removed
    model-behaviorIssues related to behaviors exhibited by the model
    on Nov 19, 2025

  3. etraut-openai commented on Nov 19, 2025

    @etraut-openai
    etraut-openai
    on Nov 19, 2025
    Contributor

    Please update to the released version (0.59.0). Does that fix the issue?

  4. vuyelwadr commented on Nov 20, 2025

    @vuyelwadr
    vuyelwadr
    on Nov 20, 2025
    Author

    it did indeed thanks!

  5. vuyelwadr
    closed this as completedon Nov 20, 2025
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