Codex outage history

Past incidents recorded on Codex's official status page — start time, duration, severity and the official link (depth available varies by provider).

1. DegradedDuration: 3h 46m

   Users in APAC region may face increased error in ChatGPT, Work, image generation, file upload, Voice, and Codex Cloud

   Started: Sep 4, 2026, 04:00 PM・ Resolved: Sep 4, 2026, 07:46 PM
2. DegradedDuration: 1h 57m

   Elevated errors across ChatGPT and Codex

   Started: Sep 3, 2026, 11:58 PM・ Resolved: Sep 4, 2026, 01:55 AM
3. DegradedDuration: 53m

   Elevated Codex API authentication errors

   Started: Aug 21, 2026, 01:58 AM・ Resolved: Aug 21, 2026, 02:52 AM
4. OperationalDuration: 1h 7m

   Increase in errors on API, Codex and Work Mode

   Started: Aug 12, 2026, 06:35 AM・ Resolved: Aug 12, 2026, 07:42 AM
5. DegradedDuration: 1h 40m

   Elevated Errors in Codex Review

   Started: Jul 24, 2026, 04:55 PM・ Resolved: Jul 24, 2026, 06:35 PM
6. DegradedDuration: 3h 0m

   Elevated errors for GitHub-dependent ChatGPT and Codex workflows

   Started: Jul 20, 2026, 09:34 AM・ Resolved: Jul 20, 2026, 12:34 PM
7. DegradedDuration: 4h 53m

   Some users are unable to access Codex

   Started: Jul 18, 2026, 05:05 PM・ Resolved: Jul 18, 2026, 09:58 PM
8. OperationalDuration: 3h 24m

   Codex 5.6-sol Experiencing Increased Server-Overload Errors

   Started: Jul 18, 2026, 02:19 AM・ Resolved: Jul 18, 2026, 05:42 AM
9. Partial outageDuration: 14h 13m
   New ChatGPT App Not Available For Enterprise Users Without Codex Permissions
   Started: Jul 18, 2026, 12:32 AM・ Resolved: Jul 18, 2026, 02:45 PM
10. DegradedDuration: 238h 33m

    Codex, workspace analytics, conversation search, searching for custom GPTs, ChatGPT user invites, and Compliance Log Platform download endpoint not working in FedRAMP workspaces

    Started: Jul 1, 2026, 12:38 PM・ Resolved: Jul 11, 2026, 11:11 AM
11. DegradedDuration: 72h 3m

    Codex Usage Limits Depleting Faster Than Expected

    Started: Jun 27, 2026, 02:04 AM・ Resolved: Jun 30, 2026, 02:06 AM
12. DegradedDuration: 5h 12m

    Users may encounter issues using access token with Codex

    Started: Jun 25, 2026, 02:51 PM・ Resolved: Jun 25, 2026, 08:03 PM
13. DegradedDuration: 3h 16m

    Codex "Selected Model is at Capacity" Error

    Started: Jun 16, 2026, 07:32 PM・ Resolved: Jun 16, 2026, 10:48 PM
14. DegradedDuration: 49m

    Users may experience issue with Codex Cloud tasks

    Started: Jun 16, 2026, 09:07 AM・ Resolved: Jun 16, 2026, 09:55 AM
15. DegradedDuration: 1h 28m

    Elevated error rates for GPT 5.5 in Codex

    Started: Jun 12, 2026, 05:59 AM・ Resolved: Jun 12, 2026, 07:28 AM
16. DegradedDuration: 1h 40m

    Increased latency for Codex compaction for a subset of users

    Started: Jun 4, 2026, 11:57 AM・ Resolved: Jun 4, 2026, 01:37 PM
17. Partial outageDuration: 6h 11m
    Elevated error rates on Codex, ChatGPT and Responses API
    Started: Jun 3, 2026, 01:58 PM・ Resolved: Jun 3, 2026, 08:09 PM
18. DegradedDuration: 38m

    codex-gpt-image-2-does-not-exist-errors

    Started: Jun 3, 2026, 08:35 AM・ Resolved: Jun 3, 2026, 09:13 AM
19. DegradedDuration: 13h 2m

    Codex Context Compaction Latency

    Started: May 28, 2026, 02:57 AM・ Resolved: May 28, 2026, 03:59 PM
20. DegradedDuration: 18h 21m

    Increase in users hitting Codex rate limits

    Started: May 23, 2026, 01:37 AM・ Resolved: May 23, 2026, 07:58 PM
21. OperationalDuration: 30m

    Codex Cloud and Code Review experiencing high failure rate

    Started: May 15, 2026, 05:58 AM・ Resolved: May 15, 2026, 06:28 AM
22. DegradedDuration: 2h 2m

    Codex 5.5 engines are experiencing high error rate

    Started: May 13, 2026, 05:18 PM・ Resolved: May 13, 2026, 07:20 PM