GitHub Enterprise Cloud US incident

Claude Fable 5 experiencing degraded performance

Minor Resolved View vendor source →

GitHub Enterprise Cloud US experienced a minor incident on July 16, 2026 affecting prod-cus-01 - Copilot AI Model Providers (Copilot AI Model Providers), lasting 59m. The incident has been resolved; the full update timeline is below.

Started
Jul 16, 2026, 09:05 PM UTC
Resolved
Jul 16, 2026, 10:04 PM UTC
Duration
59m
Detected by Pingoru
Jul 16, 2026, 09:05 PM UTC

Affected components

prod-cus-01 - Copilot AI Model Providers (Copilot AI Model Providers)

Update timeline

  1. investigating Jul 16, 2026, 09:05 PM UTC

    We are investigating reports of degraded performance for Copilot AI Model Providers

  2. investigating Jul 16, 2026, 09:06 PM UTC

    We are experiencing degraded availability for the Claude Fable 5 model in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider. While we work with them to resolve the issue, we recommend choosing another model or selecting 'Auto' to continue using Copilot.

  3. resolved Jul 16, 2026, 10:04 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.