copilot-api

Turn GitHub Copilot into an OpenAI/Anthropic API compatible server.

GrowingOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Cooling

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is copilot-api?

Copilot-API allows developers to use GitHub Copilot as a backend for AI code assistance, making it compatible with APIs like OpenAI and Anthropic's Claude Code. This tool enhances the capabilities of existing development workflows by integrating advanced AI-driven coding suggestions.

Key differentiator

Copilot-API stands out by offering a flexible, self-hosted solution that bridges GitHub Copilot with OpenAI/Anthropic APIs, providing developers with enhanced AI-driven code assistance in a privacy-controlled environment.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

GitHub Copilot compatibility with OpenAI/Anthropic APIsmedium

Self-hosted deployment flexibilitymedium

Usable with Claude Code!medium

Enhanced AI-driven code suggestionsmedium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited language support beyond JavaScript and Pythonhigh

Primary documentation and examples focus on JavaScript and Python, other languages have limited or no official support

Complex setup for self-hostingmedium

Requires configuration of multiple services including database, API server, and authentication mechanisms

Fit analysis

Who is it for?

✓ Best for

Development teams that want to integrate GitHub Copilot into their existing codebase via an API interface

Projects requiring a self-hosted AI-assisted coding solution with OpenAI/Anthropic compatibility

Developers working on projects where privacy and data control are critical

✕ Not a fit for

Teams needing real-time, cloud-based AI assistance without the ability to host their own server

Users looking for a fully managed service without self-hosting capabilities

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with copilot-api

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →