Outage in OpenAI
Increased Error Rate for gpt-5.5 model in the API
Resolved Minor
May 08, 2026 - Started 2 days ago
- Lasted about 2 hours
Incident Report
Summary AI Generated
OpenAI experienced increased error rates and higher than normal latency for the gpt-5.5 model API, affecting APIs, Chat, and Responses components for 1.8 hours. The service team implemented mitigations that gradually reduced error rates and restored normal performance. The incident was resolved after applying final mitigations and confirming recovery through monitoring.
We are investigating the issue for the listed services.
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Latest Updates ( sorted recent to last )
MONITORING
2 days ago - at 05/08/2026 01:57PM
We have applied the mitigation and are monitoring the recovery.
IDENTIFIED
2 days ago - at 05/08/2026 01:42PM
We implemented the mitigations and are observing reduction in error rates, but are still seeing higher than normal latency.
INVESTIGATING
2 days ago - at 05/08/2026 01:26PM
We are seeing partial recovery, but are still working on implementing additional mitigations.
INVESTIGATING
2 days ago - at 05/08/2026 12:31PM
We are investigating the issue for the listed services.
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