Copilot Chat - Grok Code Fast 1 Outage

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 Jan 21, 2026 - 12:38 UTC

Update

We are experiencing degraded availability for the Grok Code Fast 1 model in Copilot Chat, VS Code and other Copilot products. This is due to an issue with an upstream model provider. We are working with them to resolve the issue.

Other models are available and working as expected.

Posted Jan 21, 2026 - 12:09 UTC

Investigating

We are investigating reports of degraded performance for Copilot

Posted Jan 21, 2026 - 11:33 UTC

This incident affected: Copilot.