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Degraded availability GPT 5.6 Luna

Incident Report for GitHub

Resolved

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.
Posted Aug 01, 2026 - 12:30 UTC

Update

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.
Posted Aug 01, 2026 - 12:29 UTC

Update

We keep working with our upstream model provider, and are observing recovery. We continue monitoring to ensure stability.
Posted Aug 01, 2026 - 12:13 UTC

Update

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
Posted Aug 01, 2026 - 11:20 UTC

Investigating

We are investigating reports of degraded performance for Copilot AI Model Providers
Posted Aug 01, 2026 - 11:16 UTC
This incident affected: Copilot AI Model Providers.