Do you have a Github Copilot subscription sitting around doing nothing? Why not pair it with the Claude Code (claimed by many developers as the best AI coding agent thus far).
A. Using LiteLLM
- Install Python on your local machine
- Setup LiteLLM
- Create a folder for LiteLLM e.g.: litellm
- Create a config.yaml file with the below content in the litellm folder
model_list:
- model_name: anthropic/*
litellm_params:
model: github_copilot/gpt-5-mini
extra_headers: {"editor-version": "vscode/1.85.1", "Copilot-Integration-Id": "vscode-chat"}
- model_name: anthropic/*
litellm_params:
model: github_copilot/claude-sonnet-4.5
extra_headers: {"editor-version": "vscode/1.85.1", "Copilot-Integration-Id": "vscode-chat"}
- Start the litellm proxy server
litellm --config config.yaml
B. Using Copilot API
- First you need to setup GitHub Copilot API proxy
- Run
npm install -g copilot-apito install the API proxy - Run
copilot-api startto start the proxy server
Setup Claude Code
- Now install Claude Code in your local machine
- Run
npm install -g @anthropic-ai/claude-code - Edit the config file
.claude/settings.jsonfor Claude Code to use the LiteLLM or Copilot API proxy server instead of the default Claude subscription which is more expensive - Add this settings into the config file
LiteLLM
{
"env": {
"ANTHROPIC_BASE_URL": "http://0.0.0.0:4000",
"ANTHROPIC_AUTH_TOKEN": "sk-litellm-static-key",
"ANTHROPIC_MODEL": "github_copilot/claude-sonnet-4.5",
"ANTHROPIC_DEFAULT_HAIKU_MODEL": "github_copilot/gpt-5-mini",
"DISABLE_NON_ESSENTIAL_MODEL_CALLS": "1",
"CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC": "1"
}
}
Copilot API
{
"env": {
"ANTHROPIC_BASE_URL": "http://localhost:4141",
"ANTHROPIC_AUTH_TOKEN": "sk-dummy",
"ANTHROPIC_MODEL": "claude-sonnet-4.5",
"ANTHROPIC_DEFAULT_HAIKU_MODEL": "gpt-5-mini",
"DISABLE_NON_ESSENTIAL_MODEL_CALLS": "1",
"CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC": "1"
}
}
Start your Claude Code and enjoy coding!
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