Outage in GitHub Enterprise Cloud US

US - Some OpenAI models degraded in Copilot

Resolved Minor

March 04, 2026 - Started about 14 hours ago - Lasted 26 minutes
Official incident page

Incident Report

Summary AI Generated

GitHub Copilot experienced degraded performance due to issues with the gpt-5.3-codex model from an upstream provider, affecting Copilot Chat, VS Code, and other Copilot products. The incident lasted 26 minutes and impacted users' ability to access AI-powered coding assistance features. GitHub worked with the upstream model provider to resolve the issue and restore full service.

We are investigating reports of degraded performance for Copilot

Components affected

GitHub Enterprise Cloud US Copilot

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Latest Updates ( sorted recent to last )

RESOLVED about 14 hours ago - at 03/05/2026 01:13AM

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.

INVESTIGATING about 14 hours ago - at 03/05/2026 12:53AM

We are experiencing degraded availability for the gpt-5.3-codex 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.

INVESTIGATING about 14 hours ago - at 03/05/2026 12:47AM

We are investigating reports of degraded performance for Copilot

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