GitHub Copilot SDK vs LangChain

GitHub Copilot SDK and LangChain are both agent frameworks. GitHub Copilot SDK is published by GitHub and LangChain by LangChain. On GitHub, LangChain has 148,371 stars and GitHub Copilot SDK has 10,571. Both were last active in Oct 2026. The table lines up where they differ (publisher, weekly downloads, category and languages) and has the install commands for both. Everything here comes from the listings' public sources and is refreshed daily. GitHub Copilot SDK describes itself as: Multi-language SDKs for embedding the GitHub Copilot agent runtime, with planning, tool calls and file edits, in your apps. LangChain: Python framework of interoperable components and integrations for building agents and LLM apps, with LangGraph and Deep Agents layered above it. Licenses: GitHub Copilot SDK MIT, LangChain MIT.