Incident with Copilot Grok Code Fast 1

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 Dec 15, 2025 - 15:45 UTC

Update

We are continuing to work with our provider on resolving the incident with Grok Code Fast 1. Users can expect some requests to intermittently fail until all issues are resolved.

Posted Dec 15, 2025 - 15:06 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 Dec 15, 2025 - 14:13 UTC

Investigating

We are investigating reports of degraded performance for Copilot

Posted Dec 15, 2025 - 14:12 UTC

This incident affected: Copilot.