Incident

OpenAI degradation.

ResolvedDEGRADATION · MEDIUM

Jun 11, 2026, 09:00 PM · about 19 hours ago · Duration: 3h 49min

Incident Summary

External incident reported: Elevated error rates for GPT 5.5 in Codex.

Timeline

Started

Jun 11, 2026, 09:00 PM

about 19 hours ago

Resolved

Jun 12, 2026, 12:50 AM

about 16 hours ago

Duration

3h 49min

Total downtime

Track OpenAI reliability

This isn't OpenAI's first incident. They had 48 incidents in the last 180 days, averaging 512 minutes of impact.

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