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Codex Desktop completely unusable for one week - all models show "Selected model is at capacity" on Pro 20x plan #43752
Description
What version of the Codex App are you using (From “About Codex” dialog)?
Codex App version: [Please replace with your actual version from About Codex]
What subscription do you have?
Codex Desktop: new
What platform is your computer?
Microsoft Windows NT 10.0.26100.0 x64
What issue are you seeing?
Codex App has been completely unusable for approximately one week.
When running any Codex task, the request fails with the following error:
"Selected model is at capacity. Please try a different model."
The issue happens continuously and is not limited to a specific model.
I have tried switching between different available models in Codex, but every selected model produces the same error.
Example error:
Selected model is at capacity. Please try a different model.
This prevents Codex from executing any coding task.
The problem started approximately 7 days ago and still occurs at the time of reporting.
No PII is included.
What steps can reproduce the bug?
Feedback ID: no-active-thread-01a08006-2a95-7d43-9045-459cba092401
What is the expected behavior?
Expected behavior:
Codex should successfully start the selected model and execute the coding task.
Changing between available models should allow the user to continue working if one model is unavailable.
A Pro 20x subscription should provide reliable access to Codex functionality.
Additional information
Additional information:
- This issue has persisted for about one week.
- Restarting Codex App does not resolve the issue.
- Restarting the computer does not resolve the issue.
- Logging out and signing in again does not resolve the issue.
- Switching models does not resolve the issue.
- The problem affects all Codex model selections.
This appears to be a service-side availability, routing, or account entitlement issue rather than a local configuration problem.
Screenshots can be provided if needed.
Activity
Halary-wangqi commentedon Sep 8, 2026
Hello OpenAI Support,
I am a ChatGPT Pro 20x subscriber.
Codex Desktop has been completely unusable for approximately one week.
The problem is not limited to a single model. I have tried selecting different available models in Codex, but every model fails with the same error:
"Selected model is at capacity. Please try a different model."
Changing models does not resolve the issue.
I have repeatedly tried:
The issue has continued for about 7 days.
As a Pro 20x subscriber, I subscribed specifically for access to advanced coding capabilities. However, Codex has been unavailable during this period, which makes the paid service unusable for my development workflow.
Please investigate:
I have attached screenshots showing repeated failures.
I would appreciate a technical investigation and a clear resolution.
Thank you.
github-actions commentedon Sep 8, 2026
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
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castrix commentedon Sep 8, 2026
same issue, pro 5x
Halary-wangqi commentedon Sep 8, 2026
alexandrawallace commentedon Sep 8, 2026
019fd17f-95a1-7060-a853-f6dcd7cd558d
tntnnlrw commentedon Sep 8, 2026
same issue, pro20x
sunjieqing888 commentedon Sep 8, 2026
I hope the officials will pay serious attention to this.
xiangpingdu commentedon Sep 14, 2026
same
I purchased the 20x plan, but it has been unusable all along, and I have not received any compensation.
wyb-wnp commentedon Sep 21, 2026
01a0bd6d-deec-7ca1-87a8-28ddd93721d2