# GitHub: Degraded availability for GPT-5.3 Codex and GPT-5.6 models in Copilot

> GitHub reports degraded availability for the GPT-5.3 Codex, GPT-5.6 Luna, and GPT-5.6 Sol models in Copilot products and IDE surfaces. GitHub mitigated the issue and monitored the service for stability. The outage is resolved and lasted 50 minutes.

- Provider: [GitHub](https://outages.live/github.md)
- Type: Incident
- State: Resolved
- Worst impact: Partial outage
- Started: 2026-11-09 23:16 UTC
- Resolved: 2026-11-10 00:06 UTC (lasted 50 min)
- Components: Copilot, Copilot AI Model Providers
- Official update: https://stspg.io/t5gqmprtrdf2

## Updates from GitHub

### resolved, 2026-11-10 00:06 UTC

No text.

### monitoring, 2026-11-10 00:00 UTC

The issue affecting GPT-5.3 Codex, GPT-5.6 Luna, and GPT-5.6 Sol in Copilot products and IDE surfaces has been mitigated. We are monitoring the service to ensure stability.

### monitoring, 2026-11-09 23:48 UTC

The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.

### investigating, 2026-11-09 23:24 UTC

Copilot is operating normally.

### investigating, 2026-11-09 23:18 UTC

We are experiencing degraded availability for GPT-5.3 Codex, GPT-5.6 Luna, and GPT-5.6 Sol in Copilot products and IDE surfaces due to an issue with an upstream model provider. We recommend choosing another model or selecting Auto to continue using Copilot until the issue is resolved.