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GitHub Copilot CLI is GitHub’s AI coding agent for the terminal. It can understand your codebase, make edits, run commands, and help you build software faster. Open models can be used with Copilot CLI through Ollama, enabling you to use models such as qwen3.5, glm-5.3:cloud, kimi-k3:cloud See all supported models here.

Install

Install Copilot CLI:

Usage with Ollama

Quick setup

Run directly with a model

Non-interactive (headless) mode

Run Copilot CLI without interaction for use in Docker, CI/CD, or scripts:
The --yes flag auto-pulls the model, skips selectors, and requires --model to be specified. Arguments after -- are passed directly to Copilot CLI.

Manual setup

Copilot CLI connects to Ollama using the OpenAI-compatible API via environment variables.
  1. Set the environment variables:
  1. Run Copilot CLI:
Or run with environment variables inline:
Note: Copilot requires a large context window. We recommend at least 64k tokens. See the context length documentation for how to adjust context length in Ollama.