GPT5.5 request error

Resolved 💬 2 comments Opened Apr 26, 2026 by JunyuHuo Closed Apr 26, 2026

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

Version 26.422.30944 (2080)

What subscription do you have?

Free with student credits

What platform is your computer?

_No response_

What issue are you seeing?

When I use the codex and codex inside the VSCode, if I choose this model, it doesn't allow me to use it.

What steps can reproduce the bug?

Uploaded thread: 019dca5b-c9d9-7a52-b347-870d7e5073c1

What is the expected behavior?

_No response_

Additional information

_No response_

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