OpenAI incident

Elevated error rates with GPT 5.5

Minor Resolved View vendor source →

OpenAI experienced a minor incident on May 11, 2026 affecting Responses and Chat Completions, lasting —. The incident has been resolved; the full update timeline is below.

Started
May 11, 2026, 05:59 PM UTC
Resolved
May 11, 2026, 05:59 PM UTC
Duration
Detected by Pingoru
May 11, 2026, 05:59 PM UTC

Affected components

ResponsesChat Completions

Update timeline

  1. investigating May 11, 2026, 04:11 PM UTC

    Status: Investigating We are investigating the issue for the listed services. Affected components Responses (Degraded performance) Chat Completions (Degraded performance)

  2. identified May 11, 2026, 04:35 PM UTC

    Status: Identified We have identified that users are experiencing elevated errors for the impacted services. We are working on implementing a mitigation. Affected components Chat Completions (Degraded performance) Responses (Degraded performance)

  3. monitoring May 11, 2026, 05:04 PM UTC

    Status: Monitoring We have applied the mitigation and are monitoring the recovery. Affected components Responses (Operational) Chat Completions (Operational)

  4. resolved May 11, 2026, 05:59 PM UTC

    Status: Resolved All impacted services have now fully recovered. Affected components Responses (Operational) Chat Completions (Operational)