Bug or account access issue related to Codex model availability on my ChatGPT Plus plan
Resolved 💬 4 comments Opened Jun 2, 2026 by DraganStokic1 Closed Jun 2, 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 desktop app and Codex CLI on Linux
What subscription do you have?
ChatGPT Plus subscription
What platform is your computer?
Windows and Linux
What issue are you seeing?
I would like to report a bug or account access issue related to Codex model availability on my ChatGPT Plus plan.
{"type":"error","status":400,"error":{"type":"invalid_request_error","message":"The 'gpt-5.3-codex' model is not supported when using Codex with a ChatGPT account."}}
Feedback ID: 019e8871-2c52-7db1-a18d-431e7d1afced
What steps can reproduce the bug?
Try to start Codex with the GPT-5.3-Codex model using ChatGPT Plus account.
What is the expected behavior?
I expect GPT-5.3-Codex to be available in Codex when using my ChatGPT Plus account, because the public Codex pricing page lists GPT-5.3-Codex as included with the Plus plan.
Additional information
_No response_
4 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
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The gpt-5.3-codex model has been retired for codex subscribers. Please update to a newer model. If you need to access the older 5.3-codex model, it is still available through the API.
https://developers.openai.com/codex/pricing
Plus
"Power a few focused coding sessions each week.
$20/month
Get Plus
Codex on the web, in the CLI, in the IDE extension, and on iOS
Cloud-based integrations like automatic code review and Slack integration
The latest models, including GPT-5.5, GPT-5.4, and GPT-5.3-Codex
GPT-5.4-mini for higher usage limits on routine local messages
Flexibly extend usage with ChatGPT credits
Other ChatGPT features as part of the Plus plan "
Does that mean that what you wrote on the website is a complete lie?
@etraut-openai this was an evil move from openai.
I will unsubscribe and possible lots of others as well.