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codex - 💡(How to fix) Fix Codex desktop: cannot change model or Intelligence in a no-project session [1 comments, 2 participants]

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openai/codex#20062•Fetched 2026-04-29 06:23:20
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Error Message

  • The app shows a toast error: Couldn't update model settings. In my screenshot, the selector shows GPT-5.5 with Intelligence set to Extra High. Attempts to change either the model or Intelligence fail with the error above.
  1. The Couldn't update model settings error while the model / Intelligence selector is open.
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What version of Codex are you using?

Codex App Version 26.422.62136 (2180)

What subscription do you have?

ChatGPT Pro, $200/month plan

What platform is your computer?

macOS

What problem are you seeing?

In the Codex desktop app, when I start or use a session without selecting a project, I cannot change the model settings.

Observed behavior:

  • Switching the model does not take effect.
  • Switching the Intelligence level does not take effect.
  • The app shows a toast error: Couldn't update model settings.
  • This happens while the session is not attached to any project and the UI still shows Work in a project.

In my screenshot, the selector shows GPT-5.5 with Intelligence set to Extra High. Attempts to change either the model or Intelligence fail with the error above.

Steps to reproduce

  1. Open the Codex desktop app.
  2. Start a new session without selecting a project.
  3. Open the model / Intelligence selector.
  4. Try to change the model or Intelligence level.
  5. Observe that the setting is not updated and the app shows Couldn't update model settings.

Expected behavior

The model and Intelligence settings should either update successfully in a no-project session, or the UI should clearly explain that a project must be selected before those settings can be changed.

Additional context

I have screenshots showing:

  1. The Couldn't update model settings error while the model / Intelligence selector is open.
  2. The About dialog showing Codex App Version 26.422.62136 (2180).

I can provide the screenshots if needed.

extent analysis

TL;DR

Selecting a project before starting a session may resolve the issue with changing model settings in the Codex desktop app.

Guidance

  • Verify that the issue persists when a project is selected before starting a session.
  • Check if there are any project-specific settings or configurations that could be causing the model settings to not update.
  • Test changing the model and Intelligence level in a new session with a project selected to see if the issue is specific to sessions without a project.
  • Consider providing the screenshots to the development team for further investigation.

Example

No code snippet is provided as this issue appears to be related to the Codex desktop app's UI and configuration.

Notes

The issue may be specific to the Codex App Version 26.422.62136 (2180) or the ChatGPT Pro subscription plan.

Recommendation

Apply workaround: Select a project before starting a session to potentially resolve the issue, as the expected behavior is not clearly defined for sessions without a project.

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FAQ

Expected behavior

The model and Intelligence settings should either update successfully in a no-project session, or the UI should clearly explain that a project must be selected before those settings can be changed.

#api#installation#tensor shape#autograd error#model save/load

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