GitHub Copilot Outage: Elevated errors on GPT-5.4 Nano (Copilot AI Model Providers) — Nov 2, 2026

Official updates

1. resolved2026-11-02 18:24:23 UTC

   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.

2. monitoring2026-11-02 18:10:34 UTC

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

3. investigating2026-11-02 17:58:33 UTC

   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.

4. investigating2026-11-02 17:46:34 UTC

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

5. investigating2026-11-02 17:46:23 UTC

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