Codex auto select a non existing model

Resolved 💬 1 comment Opened Feb 5, 2026 by ThiboHoffman Closed Feb 5, 2026

What version of the Codex App are you using (From “About Codex” dialog)?

260204.1342 (531)

What subscription do you have?

None (API)

What issue are you seeing?

When continuing the chat on the output of an automation, the selected model becomes "Medium" instead of "GTP-5.2-Codex Medium", resulting in { "error": { "message": "The requested model '' does not exist.", "type": "invalid_request_error", "param": "model", "code": "model_not_found" } }

What steps can reproduce the bug?

Asking a followup question on an automation

What is the expected behavior?

Auto select an existing model

Additional information

_No response_

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