2 people reported
All time, since Sep 25.
404 model gpt-5.5 not found
“I have purchase the GO plan and tried with the prompt to check my code and suggest code changes I am constantly getting below error -”
Is this your bug? What gets counted gets fixed. Pile on.
Paste this into your agent. It files your report, with your error and version.
I hit this bug: rapsheet.dev/sheets/codex/issues/15412/file Follow it to file my report. Show me the text before you send.
No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends
Requests fail with 404 model gpt-5.5 not found on Go plan. Shows in the Codex App and the VS Code plugin when logged in with a GO account, even after texting "hi".
Is this your bug?
File my report- Where
- Codex App, VS Code extension
- Error text
unexpected status 404 Not Found: The model gpt-5.5 does not exist or you do not have access to it., url: https://chatgpt.com/backend-api/codex/responses- Versions
- 26.917.71314
- Platforms
- Windows
- How bad
- Stops work: a core feature can't be used.