Disruption with some Copilot services

GitHub reported at 14:33 UTC on October 28 that Copilot products and IDE surfaces were experiencing degraded availability across the GPT-5.3-Codex, GPT-5.6 Luna, GPT-6.1 Sol, GPT-5.6 Terra, GPT-6 Luna, and MAI Code 1.1 Flash models, attributing the disruption to an issue with an upstream model provider. GitHub advised users to select another model to continue using Copilot while it works with the provider to resolve the problem, after first flagging impacted performance across some GitHub services at 14:12 UTC and degraded experience from upstream model providers at 14:15 UTC.

Oct 28 , 14:33 UTC Update - We are experiencing degraded availability for the GPT-5.3-Codex, GPT-5.6 Luna, GPT-6.1 Sol, GPT-5.6 Terra, GPT-6 Luna, and MAI Code 1.1 Flash models 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 to continue using Copilot. Oct 28 , 14:15 UTC Update - We are experiencing issues with upstream model providers resulting in a degraded experience across Copilot services. The team is actively investigating the issue. Oct 28 , 14:12 UTC Investigating - We are investigating reports of impacted performance for some GitHub services.