OpenAI incident
Increased Error Rate for gpt-5.5 model in the API
OpenAI experienced a minor incident on May 8, 2026 affecting Responses and Chat Completions, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 08, 2026, 12:31 PM UTC
Status: Investigating We are investigating the issue for the listed services. Affected components Chat Completions (Degraded performance) Responses (Degraded performance)
- investigating May 08, 2026, 01:26 PM UTC
Status: Investigating We are seeing partial recovery, but are still working on implementing additional mitigations. Affected components Chat Completions (Degraded performance) Responses (Degraded performance)
- identified May 08, 2026, 01:42 PM UTC
Status: Identified We implemented the mitigations and are observing reduction in error rates, but are still seeing higher than normal latency. Affected components Chat Completions (Degraded performance) Responses (Degraded performance)
- monitoring May 08, 2026, 01:57 PM UTC
Status: Monitoring We have applied the mitigation and are monitoring the recovery. Affected components Chat Completions (Degraded performance) Responses (Degraded performance)
- resolved May 08, 2026, 02:14 PM UTC
Status: Resolved All impacted services have now fully recovered. Affected components Chat Completions (Operational) Responses (Operational)