Use Gemini in GitHub Copilot

Steps

1. 1
   Step 1.

   Built-in models (VS Code): open Copilot Chat, then at the bottom of the chat view, select the CURRENT-MODEL dropdown menu, then click the AI model of your choice (for example Gemini 3.8 Flash or Gemini 4 Argon).

2. 2
   Step 2.

   Copilot Business/Enterprise: an enterprise or organization owner can enable or disable access to AI models for members. Individual plans can use models directly without configuring access or managing policies.

3. 3
   Step 3.

   Bring your own key (VS Code): in the Copilot chat view, click the CURRENT-MODEL dropdown menu, click Manage Models, click the provider whose model(s) you want to add (GitHub lists Gemini as an example provider), enter the API key or model ID when prompted and press Enter, then select the model(s) you want to add and click OK.