GitHub Copilot SDK vs Pi Agent Core

GitHub Copilot SDK and Pi Agent Core are both agent frameworks. GitHub Copilot SDK is published by GitHub and Pi Agent Core by Earendil. On GitHub, Pi Agent Core has 117,586 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. Pi Agent Core: Minimal TypeScript agent harness with an agent runtime, multi-provider LLM API, terminal UI and coding agent CLI that users extend themselves. Licenses: GitHub Copilot SDK MIT, Pi Agent Core MIT.