GitHub Enterprise Cloud AU incident

[Backfill] AU - Copilot Chat - Grok Code Fast 1 Outage

Minor Resolved View vendor source →

GitHub Enterprise Cloud AU experienced a minor incident on January 21, 2026 affecting prod-ae-01 - Copilot (Copilot), lasting 1h 5m. The incident has been resolved; the full update timeline is below.

Started
Jan 21, 2026, 11:33 AM UTC
Resolved
Jan 21, 2026, 12:38 PM UTC
Duration
1h 5m
Detected by Pingoru
Jan 21, 2026, 11:33 AM UTC

Affected components

prod-ae-01 - Copilot (Copilot)

Update timeline

  1. investigating Jan 21, 2026, 11:33 AM UTC

    We are investigating reports of degraded performance for Copilot

  2. investigating Jan 21, 2026, 12:09 PM UTC

    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.

  3. resolved Jan 21, 2026, 12:38 PM 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.