OpenAI experienced a minor incident on September 11, 2026 affecting Responses and Chat Completions, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Sep 11, 2026, 09:08 AM 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)
- monitoring Sep 11, 2026, 10:09 AM UTC
Status: Monitoring We have brought additional capacity online and are seeing improvements for some GPT-5.6 Sol API traffic. We continue to mitigate elevated errors affecting Chat Completions and Responses and are monitoring recovery Affected components Chat Completions (Degraded performance) Responses (Degraded performance)
- resolved Sep 11, 2026, 11:21 AM UTC
Status: Resolved All impacted services have now fully recovered. Affected components Chat Completions (Operational) Responses (Operational)