GitHub experienced a minor incident on August 1, 2026 affecting Copilot AI Model Providers, lasting 1h 13m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 01, 2026, 11:16 AM UTC
We are investigating reports of degraded performance for Copilot AI Model Providers
- investigating Aug 01, 2026, 11:20 AM UTC
We are experiencing degraded availability for the GPT-5.6 Luna 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 01, 2026, 12:13 PM UTC
We keep working with our upstream model provider, and are observing recovery. We continue monitoring to ensure stability.
- investigating Aug 01, 2026, 12:29 PM UTC
The issues with our upstream model provider have been resolved, and GPT-5.6 Luna is once again available in Copilot products and IDE surfaces. We will continue monitoring to ensure stability, but mitigation is complete.
- resolved Aug 01, 2026, 12:30 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.