The 'gpt-5.3-codex' model is not supported when using Codex with a ChatGPT account.
Resolved 💬 3 comments Opened Jun 3, 2026 by lrnzfrr Closed Jun 4, 2026
What version of the Codex App are you using (From “About Codex” dialog)?
Version 26.601.21317 • Released Jun 2, 2026
What subscription do you have?
Plus
What platform is your computer?
Darwin 25.5.0 arm64 arm
What issue are you seeing?
i have a plus account but from today codex app answer me:
The 'gpt-5.3-codex' model is not supported when using Codex with a ChatGPT account.
What steps can reproduce the bug?
Feedback ID: 019cd1a6-d3f0-71c3-9c09-5b95ae5cd8ba
What is the expected behavior?
_No response_
Additional information
_No response_
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