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OpenAI: Elevated latency in the Responses API

Affected components: Responses

Timeline of updates

1. identified2026-08-31 22:27 UTC

   We have identified an issue causing elevated latency for some Responses API requests. We are working on implementing a mitigation.

2. monitoring2026-08-31 23:13 UTC

   We have applied a mitigation and are monitoring recovery.

3. monitoring2026-09-01 01:46 UTC

   We have applied the mitigation and are monitoring the recovery.

4. identified2026-09-01 15:15 UTC

   We have identified elevated latencies impacting Responses API on the US endpoint.

5. identified2026-09-01 17:36 UTC

   We are implementing the mitigation.

6. monitoring2026-09-01 18:09 UTC

   We have applied the mitigation and are monitoring the recovery.

7. resolved2026-09-01 19:05 UTC

   All impacted services have now fully recovered.

Impact, status and times are the vendor’s own, as last archived. View on status.openai.com (opens in new tab). OpenAI profile · Recent OpenAI incidents · Markdown · JSON