Outage in GitHub Enterprise Cloud US

US - Incident with Copilot Grok Code Fast 1

Resolved Minor
December 15, 2025 - Started 3 days ago - Lasted about 2 hours
Official incident page

Incident Report

We are investigating reports of degraded performance for Copilot

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Latest Updates ( sorted recent to last )
RESOLVED 3 days ago - at 12/15/2025 03:45PM

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.

INVESTIGATING 3 days ago - at 12/15/2025 03:06PM

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.

INVESTIGATING 3 days ago - at 12/15/2025 02:13PM

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.

INVESTIGATING 3 days ago - at 12/15/2025 02:12PM

We are investigating reports of degraded performance for Copilot

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