GitHub Copilot deprecates several models on October 19, 2026
On October 19, 2026, GitHub deprecated a set of models across most GitHub Copilot experiences, including Copilot Chat, inline edits, ask and agent modes, and code completions. The source excerpt is truncated and does not list the specific models or replacement details.
Why it matters
Builders relying on specific Copilot model selections may need to switch to remaining models, which can change output behavior, latency, or availability in their workflows.
Who should care
Developers using GitHub Copilot, engineering teams standardizing on Copilot models, and tool builders integrating with Copilot.
What you can do
Open the full GitHub changelog post to identify which models were deprecated and confirm which replacement model your Copilot settings or workflows should use.