Errors with the Fable 5 Model in Copilot

Summary

Errors with the Fable 5 Model in Copilot

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.

• Started

  Aug 13, 2026 · 2:43 PM

• Resolved

  Aug 13, 2026 · 3:47 PM

• Duration

  1h 3m

• Severity

  Minor

• ◐

  Investigating

  Aug 13 · 2:43 PM GitHub

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

• ◐

  Investigating

  Aug 13 · 2:50 PM GitHub

  We are experiencing degraded availability for the 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.

• ◐

  Investigating

  Aug 13 · 3:23 PM GitHub

  We are seeing modest recovery, but are still experiencing degraded availability for the 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.

• ◐

  Investigating

  Aug 13 · 3:47 PM GitHub

  The issues with our upstream model provider have been resolved, and Fable 5 is once again available in Copilot products and IDE surfaces.<br /><br />We will continue monitoring to ensure stability, but mitigation is complete.

• ✓

  Resolved

  Aug 13 · 3:47 PM GitHub

  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.