# Copilot experiencing degraded model availability for some GPT models > Source: > Published: 2026-11-13 20:14:07+00:00 We are experiencing degraded availability for gpt-5.6-sol-fast, gpt-5.6-sol, gpt-6.1-terra, and gpt-6-luna 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 Nov 13, 2026 - 20:14 UTC Investigating We are investigating reports of degraded performance for Copilot AI Model Providers Posted Nov 13, 2026 - 20:13 UTC This incident affects: Copilot AI Model Providers. Subscribe to updates for Copilot experiencing degraded model availability for some GPT models via email and/or text message. You'll receive email notifications when incidents are updated, and text message notifications whenever GitHub creates or resolves an incident.