OpenAIDegradation

ResolvedDegradation - Medium

May 21, 2026, 10:10 PM · 6 days ago · Duration: 1h 14min

Incident Summary

External incident reported: Elevated latency and error rates for ChatGPT 5.5 Thinking.

Timeline

Started

May 21, 2026, 10:10 PM

6 days ago

Resolved

May 21, 2026, 11:25 PM

6 days ago

Duration

1h 14min

Track OpenAI reliability

This isn't OpenAI's first incident. They had 32 incidents in the last 180 days, averaging 641 minutes of impact.

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