Outage in GitHub

Incident with Copilot GPT-5.1-Codex

Resolved Minor

February 20, 2026 - Started about 3 hours ago - Lasted about 2 hours
Official incident page

Incident Report

We are investigating reports of degraded performance for Copilot

Components affected

GitHub Copilot

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Latest Updates ( sorted recent to last )

RESOLVED about 2 hours ago - at 02/20/2026 11:41AM

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 2 hours ago - at 02/20/2026 11:19AM

The issues with our upstream model provider have been resolved, and GPT 5.1 Codex 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.

INVESTIGATING about 3 hours ago - at 02/20/2026 10:36AM

We are still experiencing degraded availability for the GPT 5.1 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 3 hours ago - at 02/20/2026 10:02AM

We are experiencing degraded availability for the GPT 5.1 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.
Other models are available and working as expected.

INVESTIGATING about 3 hours ago - at 02/20/2026 10:02AM

We are investigating reports of degraded performance for Copilot

Latest GitHub outages

Degraded performance in merge queue - 2 days ago

Intermittent authentication failures on GitHub - 3 days ago

Disruption with some GitHub services regarding file upload - 7 days ago

Disruption with some GitHub services - 8 days ago

Intermittent disruption with Copilot completions and inline suggestions - 8 days ago

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