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: 1h 2m

   Degraded performance in ChatGPT, Codex, and APIs

   Started: Oct 21, 2026, 02:26 AM UTC・ Resolved: Oct 21, 2026, 03:28 AM UTC・ Official details ↗
2. DegradedDuration: 2h 47m

   Degraded performance in Codex and ChatGPT Work

   Started: Oct 14, 2026, 07:05 AM UTC・ Resolved: Oct 14, 2026, 09:53 AM UTC・ Official details ↗
3. DegradedDuration: 8h 27m

   Degraded performance in GPT-6.1 Sol Codex and Work mode

   Started: Oct 13, 2026, 08:10 AM UTC・ Resolved: Oct 13, 2026, 04:36 PM UTC・ Official details ↗
4. DegradedDuration: 1h 2m

   Degraded performance in Codex and Work mode: Dot turn failures, delayed responses, and reduced proactivity

   Started: Oct 7, 2026, 05:21 PM UTC・ Resolved: Oct 7, 2026, 06:23 PM UTC・ Official details ↗
5. DegradedDuration: 1h 35m

   Dot in Codex may fail to create new threads

   Started: Oct 7, 2026, 04:31 PM UTC・ Resolved: Oct 7, 2026, 06:06 PM UTC・ Official details ↗
6. OperationalDuration: 6h 3m

   Elevated error rates in Codex Cloud

   Started: Oct 5, 2026, 05:58 PM UTC・ Resolved: Oct 6, 2026, 12:01 AM UTC・ Official details ↗
7. DegradedDuration: 5h 21m

   Elevated errors across ChatGPT, Codex, and the API including the Agents API

   Started: Sep 29, 2026, 05:52 PM UTC・ Resolved: Sep 29, 2026, 11:14 PM UTC・ Official details ↗
8. Major outageDuration: 56m
   Issues with Codex
   Started: Sep 25, 2026, 10:58 PM UTC・ Resolved: Sep 25, 2026, 11:54 PM UTC・ Official details ↗
9. OperationalDuration: 1h 11m

   Elevated error rates for Codex and ChatGPT Work

   Started: Sep 14, 2026, 02:46 AM UTC・ Resolved: Sep 14, 2026, 03:57 AM UTC・ Official details ↗
10. DegradedDuration: 28m

    Codex GitHub Review and Pull Request Failures

    Started: Sep 13, 2026, 09:26 AM UTC・ Resolved: Sep 13, 2026, 09:53 AM UTC・ Official details ↗
11. 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, 07:00 AM UTC・ Resolved: Sep 4, 2026, 10:46 AM UTC・ Official details ↗
12. DegradedDuration: 2h 13m

    Elevated errors across ChatGPT and Codex

    Started: Sep 3, 2026, 02:43 PM UTC・ Resolved: Sep 3, 2026, 04:55 PM UTC・ Official details ↗
13. DegradedDuration: 53m

    Elevated Codex API authentication errors

    Started: Aug 20, 2026, 04:58 PM UTC・ Resolved: Aug 20, 2026, 05:52 PM UTC・ Official details ↗
14. OperationalDuration: 1h 7m

    Increase in errors on API, Codex and Work Mode

    Started: Aug 11, 2026, 09:35 PM UTC・ Resolved: Aug 11, 2026, 10:42 PM UTC・ Official details ↗
15. DegradedDuration: 1h 40m

    Elevated Errors in Codex Review

    Started: Jul 24, 2026, 07:55 AM UTC・ Resolved: Jul 24, 2026, 09:35 AM UTC
16. DegradedDuration: 3h 0m

    Elevated errors for GitHub-dependent ChatGPT and Codex workflows

    Started: Jul 20, 2026, 12:34 AM UTC・ Resolved: Jul 20, 2026, 03:34 AM UTC
17. DegradedDuration: 4h 53m

    Some users are unable to access Codex

    Started: Jul 18, 2026, 08:05 AM UTC・ Resolved: Jul 18, 2026, 12:58 PM UTC
18. OperationalDuration: 3h 24m

    Codex 5.6-sol Experiencing Increased Server-Overload Errors

    Started: Jul 17, 2026, 05:19 PM UTC・ Resolved: Jul 17, 2026, 08:42 PM UTC
19. Partial outageDuration: 14h 13m
    New ChatGPT App Not Available For Enterprise Users Without Codex Permissions
    Started: Jul 17, 2026, 03:32 PM UTC・ Resolved: Jul 18, 2026, 05:45 AM UTC
20. 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, 03:38 AM UTC・ Resolved: Jul 11, 2026, 02:11 AM UTC
21. DegradedDuration: 72h 3m

    Codex Usage Limits Depleting Faster Than Expected

    Started: Jun 26, 2026, 05:04 PM UTC・ Resolved: Jun 29, 2026, 05:06 PM UTC
22. DegradedDuration: 5h 12m

    Users may encounter issues using access token with Codex

    Started: Jun 25, 2026, 05:51 AM UTC・ Resolved: Jun 25, 2026, 11:03 AM UTC
23. DegradedDuration: 3h 16m

    Codex "Selected Model is at Capacity" Error

    Started: Jun 16, 2026, 10:32 AM UTC・ Resolved: Jun 16, 2026, 01:48 PM UTC
24. DegradedDuration: 49m

    Users may experience issue with Codex Cloud tasks

    Started: Jun 16, 2026, 12:07 AM UTC・ Resolved: Jun 16, 2026, 12:55 AM UTC
25. DegradedDuration: 1h 28m

    Elevated error rates for GPT 5.5 in Codex

    Started: Jun 11, 2026, 08:59 PM UTC・ Resolved: Jun 11, 2026, 10:28 PM UTC
26. DegradedDuration: 1h 40m

    Increased latency for Codex compaction for a subset of users

    Started: Jun 4, 2026, 02:57 AM UTC・ Resolved: Jun 4, 2026, 04:37 AM UTC
27. Partial outageDuration: 6h 11m
    Elevated error rates on Codex, ChatGPT and Responses API
    Started: Jun 3, 2026, 04:58 AM UTC・ Resolved: Jun 3, 2026, 11:09 AM UTC
28. DegradedDuration: 38m

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

    Started: Jun 2, 2026, 11:35 PM UTC・ Resolved: Jun 3, 2026, 12:13 AM UTC
29. DegradedDuration: 13h 2m

    Codex Context Compaction Latency

    Started: May 27, 2026, 05:57 PM UTC・ Resolved: May 28, 2026, 06:59 AM UTC
30. DegradedDuration: 18h 21m

    Increase in users hitting Codex rate limits

    Started: May 22, 2026, 04:37 PM UTC・ Resolved: May 23, 2026, 10:58 AM UTC
31. OperationalDuration: 30m

    Codex Cloud and Code Review experiencing high failure rate

    Started: May 14, 2026, 08:58 PM UTC・ Resolved: May 14, 2026, 09:28 PM UTC
32. DegradedDuration: 2h 2m

    Codex 5.5 engines are experiencing high error rate

    Started: May 13, 2026, 08:18 AM UTC・ Resolved: May 13, 2026, 10:20 AM UTC