ChatGPT (OpenAI) · 48d ago

We’re seeing elevated latency, timeouts, and interrupted streaming across gpt 5.1 mini model and gpt 4.1 mini

Name: We’re seeing elevated latency, timeouts, and interrupted streaming across gpt 5.1 mini model and gpt 4.1 mini
Start: 2026-07-27T18:06:39.000Z
End: 2026-07-27T17:30:00.000Z

Resolved

Timeline

Started: Jul 27, 2026, 6:06 PM UTC

Last update: Jul 27, 2026, 8:52 PM UTC

Resolved: Jul 27, 2026, 5:30 PM UTC

Updates

resolved
All impacted services have now fully recovered.
Jul 27, 2026, 8:52 PM UTC
investigating
We are investigating the issue for the listed services.
Jul 27, 2026, 6:06 PM UTC

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