Disruption with Claude 3.7 Sonnet in Copilot Chat
Incident
Report for GitHub
Resolved
On June 30th, 2025, between approximately 18:20 and 19:55 UTC, the Copilot service experienced a degradation of the Claude Sonnet 3.7 model due to an issue with our upstream provider. Users encountered elevated error rates when using Claude Sonnet 3.7. No other models were impacted.
The issue was resolved by a mitigation put in place by our provider. GitHub is working with our provider to further improve the resiliency of the service to prevent similar incidents in the future.
The issue was resolved by a mitigation put in place by our provider. GitHub is working with our provider to further improve the resiliency of the service to prevent similar incidents in the future.
Update
The issues with our upstream model provider have been resolved, and Claude Sonnet 3.7 is once again available in Copilot Chat and across IDE integrations [VSCode, Visual Studio, JetBrains].
We will continue monitoring to ensure stability, but mitigation is complete.
We will continue monitoring to ensure stability, but mitigation is complete.
Update
We are experiencing degraded availability for the Claude 3.7 Sonnet 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.
Other models are available and working as expected.
Investigating
We are currently investigating this issue.
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