●Incident
OpenAI degradation.
ResolvedDEGRADATION · MEDIUMJun 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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