Elevated errors on GPT-5.4 Nano

Incident Report for GitHub

Resolved

This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.

Posted Nov 02, 2026 - 18:24 UTC

Monitoring

The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.

Posted Nov 02, 2026 - 18:10 UTC

Update

We are experiencing degraded availability for the GPT-5.4 Nano model in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider.

Posted Nov 02, 2026 - 17:58 UTC

Update

We are investigating reports of elevated errors on GPT-5.4 Nano

Posted Nov 02, 2026 - 17:46 UTC

Investigating

We are investigating reports of degraded performance for Copilot AI Model Providers

Posted Nov 02, 2026 - 17:46 UTC

This incident affected: Copilot AI Model Providers.