getting error message when chatting with codex
Resolved 💬 3 comments Opened Jun 7, 2026 by Prasad03-git Closed Jun 12, 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)?
Version 26.602.40724 • Released 5 Jun 2026
What subscription do you have?
plus plan
What platform is your computer?
_No response_
What issue are you seeing?
when i am chatting with doex chat pane, it is showing thinking but later it will try to reconnect 5/5 later it will say below error:
unexpected status 404 Not Found: Model not found gpt-5.5, url: https://chatgpt.com/backend-api/codex/responses, cf-ray: a081cf45de9a93d3-MAA, request id: 99c682c1-2f18-408a-9703-136e1f778102.
<img width="1233" height="653" alt="Image" src="https://github.com/user-attachments/assets/84139c1f-d2d7-4122-9a5e-0f0fd28fdbf1" />
What steps can reproduce the bug?
Feedback ID: 019e9175-31bf-7121-83a2-578f4940c2bf
What is the expected behavior?
_No response_
Additional information
_No response_
3 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
Powered by Codex Action
Thanks for your patience. The backend issue causing
gpt-5.5requests to return404 Model not foundis now resolved.Please try again. If it still fails, share a fresh request ID and timestamp.
Closing as resolved. If this recurs, please open a new issue with a fresh request ID and timestamp.