Effective July 31, 2026, GitHub has deprecated the Gemini 2.5 Pro and Gemini 3 Flash models across all GitHub Copilot experiences. This change impacts functionalities such as Copilot Chat, inline edits, ask and agent modes, and code completions.
Key Points
- Gemini 2.5 Pro and Gemini 3 Flash models are deprecated as of July 31, 2026.
- The deprecation affects all GitHub Copilot experiences, including Copilot Chat, inline edits, ask and agent modes, and code completions.
- Users are advised to update workflows and integrations to utilize supported models.
- Copilot Enterprise administrators may need to enable access to alternative models via model policies in Copilot settings.
- Administrators can verify model availability by checking individual Copilot settings and confirming policy enablement.
- No action is required to remove the deprecated models.
Context
According to the GitHub Changelog, the deprecation is effective immediately as of the stated date. This change requires users to transition to other available models for their Copilot functionalities. GitHub Enterprise customers with questions are directed to their account managers for support.
Why It Matters
This deprecation requires GitHub Copilot users, particularly Copilot Enterprise administrators, to adjust their configurations and workflows to ensure continued access to AI-powered development assistance. It highlights the dynamic nature of model availability within integrated development environments.
What To Do
- Update workflows and integrations to use currently supported models.
- Copilot Enterprise administrators should review and adjust model policies in Copilot settings.
- Verify the availability of alternative models by checking individual Copilot settings.
- Consult GitHub documentation on models for Copilot to understand current options.
- GitHub Enterprise customers should contact their account manager for assistance.