minor✓ Resolved

Elevated error rates for GPT 5.5 in Codex

OpenAI•2026-06-11 20:59 UTC

Status

resolved

Duration

1h 30m

Updates

Coverage

0 articles

INCIDENT TIMELINE

✓ Resolved2026-06-11 22:30 UTC

This incident has been resolved.

monitoring2026-06-11 21:33 UTC

We have applied the mitigation and are monitoring the recovery.

identified2026-06-11 20:59 UTC

We have identified that users are experiencing elevated errors when using GPT 5.5 in Codex.

We are working on implementing a mitigation.

Internal ID

66bff63a-b033-4d76-b010-28f7294fd453

External ID

01KTW7QY5W9DDYT0ETXX6MPVSY

🕐 First reported

2026-06-11 20:59 UTC

🔄 Last Updated

2026-06-11 22:30 UTC

✓ Resolved

2026-06-11 22:30 UTC

MINOR

Impact Level

1h 30m

Total Duration

Status Updates

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