Incident report · read from OpenAI's status page

OpenAI incident: Elevated latency for some API requests

Resolved after 3 h 30 m (30 Sep 2026, 17:05–20:35 UTC), impact minor, affecting Responses and Chat Completions.

Timeline

1. 30 Sep 2026 at 17:05 UTC identified

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

2. 30 Sep 2026 at 17:13 UTC identified

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

3. 30 Sep 2026 at 17:51 UTC identified

   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.

4. 30 Sep 2026 at 18:21 UTC monitoring

   We have applied the mitigation and are monitoring the recovery.

5. 30 Sep 2026 at 20:35 UTC resolved

   All impacted services have now fully recovered.

Affected components

• APIs · Responses: degraded for 3 h 30 m
• APIs · Chat Completions: degraded for 3 h 22 m

Source

OpenAI's own report of this incident, on OpenAI's status page. This page is a record of OpenAI's own report; where the two disagree, theirs is right.

Last checked 30 Oct 2026 at 16:28 UTC.

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