Resolved after 13 hours 2 minutes, affecting Codex Web and Codex API and 1 more, on May 27, 2026.
We have applied the mitigation and are monitoring the recovery.
Affected components
Codex WebCodex APICLIVS Code extensionCodex in ChatGPT Desktop
Update timeline
- identified May 27, 2026, 05:57 PM UTC
We're investigating an issue causing Codex context compaction to be slower than expected.
- investigating May 28, 2026, 12:14 AM UTC
We are still investigating the issue for the listed services.
- investigating May 28, 2026, 01:47 AM UTC
We are still investigating the issue for the listed services.
- identified May 28, 2026, 02:31 AM UTC
We've identified a configuration error that caused Codex to be slow. We are working on implementing the mitigation at the moment.
- monitoring May 28, 2026, 03:09 AM UTC
We have applied the mitigation and are monitoring the recovery.
- resolved May 28, 2026, 06:59 AM UTC
All impacted services have now fully recovered.
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