Avoid fallbacks

Resolved 💬 2 comments Opened Nov 7, 2025 by matssk Closed Nov 11, 2025
💡 Likely answer: A maintainer (github-actions[bot], contributor) responded on this thread — see the highlighted reply below.

What version of Codex is running?

0.55

What subscription do you have?

Pro

Which model were you using?

gpt-5-high

What platform is your computer?

_No response_

What issue are you seeing?

The model often adds fallbacks. Almost all fallbacks are hacks or workaround for various issues.

What steps can reproduce the bug?

Look for "fallback" in comments. Pretty much every time you see the word "fallback" in the comments, the model made a workaround for a bug or other issue, temporarily hiding the real issue.

What is the expected behavior?

The model should try to fix issues instead of adding fallbacks.

Additional information

Adding a no-fallbacks policy to AGENTS.md helps alleviate the issue.

View original on GitHub ↗

2 Comments

github-actions[bot] contributor · 9 months ago

Potential duplicates detected. Please review them and close your issue if it is a duplicate.

  • #5096

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etraut-openai contributor · 9 months ago

Thanks for the bug report. We've shared the feedback with the team members who are responsible for training our codex models. We're tracking this feedback and similar reports so we can make the model more robust in future iterations.

If you see other model behavior that you'd like to report, please use the recently-added /feedback command in the CLI. That will provide us with additional details including logs and conversation text.