openai
Elevated error rates for GPT 5.5 in Codex
Status: resolved | Severity: degraded
Cite this incidentTimeline
Started: 2026-06-11T20:59:52.000Z
Updated: 2026-06-11T22:28:09.000Z
Resolved: 2026-06-11T22:28:09.000Z
Impact scope
Impacted regions: None reported
Impacted models: None reported
Impacted components: None reported
Official sources
Provider: openai
Official incident URL not available for this source.
Updates
resolved
All impacted services have now fully recovered.
2026-06-11T22:28:09Z
monitoring
We have applied the mitigation and are monitoring the recovery.
2026-06-11T21:33:30Z
identified
We have identified that users are experiencing elevated errors when using GPT 5.5 in Codex. We are working on implementing a mitigation.
2026-06-11T20:59:52Z