Use Grok in GitHub Copilot

Steps

1. 1
   Step 1.

   Built-in: open Copilot Chat by clicking the chat icon in the title bar of Visual Studio Code. At the bottom of the chat view, select the CURRENT-MODEL dropdown menu, then click Grok 4.7.

2. 2
   Step 2.

   BYOK with your own xAI key (VS Code): open the Language Models editor (Manage Language Models gear icon, or Chat: Manage Language Models), select Add Models, select Custom Endpoint, enter a group name, a display name and API key, and select the API type Responses.

3. 3
   Step 3.

   In the chatLanguageModels.json file VS Code opens, configure the model. Documented Custom Endpoint shape, filled with xAI's documented endpoint and model id:

   JSON

   Copy

   [
     {
       "name": "xAI",
       "vendor": "customendpoint",
       "apiKey": "${input:xaiApiKey}",
       "apiType": "responses",
       "models": [
         {
           "id": "grok-4.7",
           "name": "Grok 4.7",
           "url": "https://api.x.ai/v1/responses",
           "toolCalling": true,
           "vision": true,
           "contextWindow": 500000
         }
       ]
     }
   ]

4. 4
   Step 4.

   Select the model from the model picker in chat (restart VS Code if it does not appear).