Updated 1:24 p.m. Eastern on November 2, 2026
GitHub says the incident involving elevated errors on GPT-5.4 Nano has been resolved, according to its latest official update.
What is affected
The incident affected availability of the GPT-5.4 Nano model in Copilot products and IDE surfaces.
Official update timeline
We are investigating reports of degraded performance for Copilot AI Model Providers
We are investigating reports of elevated errors on GPT-5.4 Nano
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.
The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.
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.
