head to head · open source
AstrBot vs CopilotKit
AstrBot has 45,662 GitHub stars, 3,350 forks, 1,516 open issues and last shipped yesterday. CopilotKit has 38,475 stars, 4,798 forks, 295 open issues and last shipped yesterday. AstrBot leads on adoption by 19% (45,662 vs 38,475 stars). AstrBot is written in Python under AGPL-3.0; CopilotKit is written in TypeScript under MIT. AstrBot has attracted 7% as many forks as stars, CopilotKit 12%. CopilotKit was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (agent, ai), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| AstrBot | CopilotKit | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 38K |
| License | AGPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.4K | ⑂ 4.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick AstrBot if
- You weight community size — 46K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick CopilotKit if
- You want the CopilotKit feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and CopilotKit fits your workflow better
About AstrBot
简体中文 ｜ 繁體中文 ｜ 日本語 ｜ Français ｜ Español ｜ Русский Documentation ｜ Blog ｜ Roadmap ｜ Issue Tracker ｜ Email Support AstrBot is an open source all in one Agent chatbot platform that integrates with mainstream instant messaging apps. It provides reliable and scalable conversational AI infrastructure for individuals, developers, and teams. Whether you're building a personal AI companion, intelligent customer service, automation assistant, or enterprise knowledge base, AstrBot enables you to quickly build production ready AI applications within your IM platform workflows. Key Features 1. 💯 Free & Open Source. 2. ✨ AI…
read the full AstrBot overview →
About CopilotKit
CopilotKit Docs · Examples · CopilotKit Intelligence · Discord Build agent native applications — on any framework, on any surface. Generative UI, shared state, and human in the loop workflows for React, Angular, Vue, React Native — and in Slack and Microsoft Teams. What is CopilotKit? CopilotKit is a best in class SDK for building full stack agentic applications, Generative UI, and chat applications. What started as a React library is now the horizontal layer between your agents and your users : the same agent can power your web app, your mobile app, and your team's Slack or Microsoft Teams workspace. We are the…
read the full CopilotKit overview →
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Frequently asked questions
Is AstrBot or CopilotKit more popular?
AstrBot has 45,662 GitHub stars and CopilotKit has 38,475. AstrBot has the larger community by that measure.
Are AstrBot and CopilotKit free?
Both are open source. AstrBot is licensed under AGPL-3.0 and CopilotKit under MIT. Neither carries a licence fee.
What is the difference between AstrBot and CopilotKit?
AstrBot is written in Python and CopilotKit in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, AstrBot or CopilotKit?
Choose AstrBot if you want the larger community (45,662 stars) or its AGPL-3.0 licence terms. Choose CopilotKit if its feature set, stack or MIT licence fits better. Both are self-hostable.