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GitHub Copilot in VS Code

Copilot Chat in VS Code, with your own endpoint for chat and agent mode.

All editors and IDE agents

Set up GitHub Copilot in VS Code

The examples use MoonshotAI: Kimi K3, a live model on llm.buzz. Any model name from the Models page works.

  1. Create a key in the llm.buzz console under Keys, and keep it in the LLM_BUZZ_KEY environment variable.

  2. Run Chat: Manage Language Models, then Add Models and Custom Endpoint. It writes chatLanguageModels.json; VS Code asks for the key when it first uses the model.

    chatLanguageModels.json
    [
  {
    "name": "llm.buzz",
    "vendor": "customendpoint",
    "apiKey": "${input:llmBuzzKey}",
    "apiType": "chat-completions",
    "models": [
      {
        "id": "moonshotai/kimi-k3",
        "name": "moonshotai/kimi-k3",
        "url": "https://api.llm.buzz/api/v1/chat/completions",
        "toolCalling": true,
        "vision": false,
        "maxInputTokens": 128000,
        "maxOutputTokens": 16000
      }
    ]
  }
]

  3. For the Responses API, set apiType to "responses" and the URL to https://api.llm.buzz/api/v1/responses. Inline completions still come from Copilot.

Usage on llm.buzz

Weekly tokens from requests that name this app.

Rankings
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Tokens by week

Usage is published weekly, once at least 5 organizations use a model. The current week closes Monday, Nov 2, 2026, 00:00 UTC.

Top models

No model's usage is published for GitHub Copilot in VS Code yet.

A model or app appears only when at least 5 organizations used it that week and no single one sent more than 80% of its tokens.

Popular models for coding agents

Live models that call tools, the most used and most widely served first.

All tool-calling models
1M context10% off
MoonshotAI: Kimi K3by MoonshotAI

Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI.

Providers
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Input
$2.85 $2.565/M
Output
$14.25 $12.825/M
Context
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Z.ai: GLM 5.3by Z.ai

GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks.

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Qwen: Qwen3.8 Flashby Qwen

Qwen3.8 Flash is a multimodal reasoning model from Alibaba.

Providers
4
Input
$0.15 $0.1125/M
Output
$0.47 $0.3525/M
Context
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256K context
Qwen: Qwen3.8 27Bby Qwen

Qwen3.8 27B is an open-weight dense vision-language model from Qwen.

Providers
4
Input
$0.20/M
Output
$2.50/M
Context
256K
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1M context
Z.ai: GLM 5.3 Flashby Z.ai

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks.

Providers
4
Input
$0.15/M
Output
$0.50/M
Context
1M
→
128K context
OpenAI: gpt-oss-120bby OpenAI

gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and…

Providers
3
Input
$0.05/M
Output
$0.25/M
Context
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Point GitHub Copilot in VS Code at llm.buzzOne key for every model here; each request pays the price of the provider that answered it.
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