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 0m

   Elevated errors for GitHub-dependent ChatGPT and Codex workflows

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

   Some users are unable to access Codex

   Started: Jul 18, 2026, 05:05 PM・ Resolved: Jul 18, 2026, 09:58 PM
3. 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
4. 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
5. 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
6. DegradedDuration: 72h 3m

   Codex Usage Limits Depleting Faster Than Expected

   Started: Jun 27, 2026, 02:04 AM・ Resolved: Jun 30, 2026, 02:06 AM
7. 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
8. DegradedDuration: 3h 16m

   Codex "Selected Model is at Capacity" Error

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

   Users may experience issue with Codex Cloud tasks

   Started: Jun 16, 2026, 09:07 AM・ Resolved: Jun 16, 2026, 09:55 AM
10. 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
11. 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
12. 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
13. DegradedDuration: 38m

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

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

    Codex Context Compaction Latency

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

    Increase in users hitting Codex rate limits

    Started: May 23, 2026, 01:37 AM・ Resolved: May 23, 2026, 07:58 PM
16. 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
17. 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