Upcoming deprecation of selected GitHub Copilot models GitHub will deprecate Gemini 3.5 Flash, Gemini 3.6 Flash, Kimi K2.7 Code, and Claude Opus 4.7 across all GitHub Copilot experiences on October 2nd, 2026, urging users to migrate to suggested alternatives such as Gemini 3.8 Flash, Kimi K3, and Claude Opus 5. Administrators of Copilot Enterprise and Business may need to enable access to the alternative models through their model policies. Upcoming deprecation of selected GitHub Copilot models We will deprecate the following models across all GitHub Copilot experiences including Copilot Chat, inline edits, ask and agent modes, and code completions on October 2nd, 2026: | Model | Deprecation date | Suggested alternative | |---|---|---| | Gemini 3.5 Flash | 2026-10-02 | Gemini 3.8 Flash | | Gemini 3.6 Flash | 2026-10-02 | Gemini 3.8 Flash | | Kimi K2.7 Code | 2026-10-02 | Kimi K3 | | Claude Opus 4.7 | 2026-10-02 | Claude Opus 5 | Please update your workflows and integrations to use the supported models before this date. Copilot Enterprise and Copilot Business administrators may need to enable access to the alternative models through their model policies in Copilot settings. As an administrator, you can verify availability in your organization or enterprise Copilot model settings and confirm that the policy is enabled for the specific model. Once enabled, users will see the model in the Copilot Chat model selector in supported GitHub Copilot experiences. No action is required to remove the models after they have been deprecated. GitHub Enterprise customers with questions or concerns are encouraged to contact their account team for assistance. Share your feedback share-your-feedback To learn more about the models available in Copilot, see our documentation on supported models https://docs.github.com/copilot/reference/ai-models/supported-models?utm source=model-release-announcement&utm medium=changelog&utm campaign=newmodels . Join the GitHub Community https://github.com/orgs/community/discussions/categories/copilot-conversations?utm source=model-release-announcement&utm medium=changelog&utm campaign=newmodels to share your feedback.