Elevated latency for some API requests

Summary

Elevated latency for some API requests

All impacted services have now fully recovered.

• Started

  Sep 30, 2026 · 5:05 PM

• Resolved

  Sep 30, 2026 · 8:35 PM

• Duration

  3h 30m

• Severity

  Minor

• ◆

  Identified

  Sep 30 · 5:05 PM OpenAI

  We have identified that users are experiencing elevated latency for the impacted services. We are working on implementing a mitigation.

• ◆

  Identified

  Sep 30 · 5:13 PM OpenAI

  We have identified that users are experiencing elevated latency for the impacted services. We are working on implementing a mitigation.

• ◆

  Identified

  Sep 30 · 5:51 PM OpenAI

  We have implemented an initial mitigation and are seeing improvements in API latency. We are continuing to investigate the scope of the issue and apply additional mitigations as needed. Some requests to the Responses and Chat Completions APIs may still experience elevated latency or timeouts.

• ◉

  Monitoring

  Sep 30 · 6:21 PM OpenAI

  We have applied the mitigation and are monitoring the recovery.

• ✓

  Resolved

  Sep 30 · 8:35 PM OpenAI

  All impacted services have now fully recovered.