GitHub Copilot: models deprecated on October 19, 2026

As of today, October 19, 2026, we have deprecated the following models across most GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions). These deprecations were announced on September 18, 2026 . Model Deprecation date Suggested alternative Gemini 3.7 Flash 2026-10-19 Gemini 3.8 Flash GPT-5.5 2026-10-19 GPT-6.1 Sol GPT-5.4 2026-10-19 GPT-6.1 Sol GPT-5.4 mini 2026-10-19 GPT-6 Luna GPT-5 mini 2026-10-19 GPT-6 Luna Grok 4.5 2026-10-19 Grok 4.7 Please update your workflows and integrations to use supported models. Copilot Enterprise administrators may need to enable access to alternative models through their model policies in Copilot settings. As an administrator, you can verify availability by checking your individual Copilot settings and confirming that the policy is enabled for the specific model. Once enabled, you'll see the model in the Copilot Chat model selector in VS Code and on github.com. No action is required to remove the deprecated models. GitHub Enterprise customers with questions or concerns are encouraged to reach out to their account manager for further assistance. Share your feedback To learn more about the models available in Copilot, see our documentation on models and get started with Copilot today. Join the GitHub Community to share your feedback. copilot Share Copied Shared Related Posts Oct.19 Improvement Copilot model policy API for enterprise, orgs, and teams copilot enterprise management tools ... +1 Oct.15 Improvement Multi-repository support and other improvements for GitHub in Slack and Teams collaboration tools copilot ... +1 Oct.15 Retired Upcoming deprecation of selected GitHub Copilot models in mid-November copilot Oct.15 Release Agentic autofix for code scanning alerts general availability application security copilot ... +1 Oct.14 Release HydraFusion updates and new Max option copilot Oct.13 Release Gemini 4 Argon in GitHub Copilot copilot Oct.13 Improvement Enterprise managed settings enforcement updates client apps copilot enterprise management tools ... +2 </