Codex macOS app: Quick Chat returns 403 for every message
Resolved 💬 0 comments Opened Jul 27, 2026 by txboothie Closed Aug 6, 2026
What version of the Codex App are you using (From “About Codex” dialog)?
26.707.31428
What subscription do you have?
ChatGPT Plus
What platform is your computer?
Darwin 25.5.0 arm64 arm
What issue are you seeing?
Every time I try to use the chat feature within the new Codex app that's supposed to now be Codex + ChatGPT, I get the following error: "Request failed with status 403"
<img width="2052" height="1207" alt="Image" src="https://github.com/user-attachments/assets/1e458108-037f-4ae8-8575-c8a8126d9407" />
What steps can reproduce the bug?
Feedback ID: no-active-thread-019fa146-b9cc-76a2-b860-25957ca0693c
What is the expected behavior?
For the chat feature to work and respond
Additional information
_No response_