head to head · open source
chatbox vs CopilotKit
chatbox has 41,797 GitHub stars, 4,253 forks, 1,290 open issues and last shipped 3 days ago. CopilotKit has 37,403 stars, 4,640 forks, 295 open issues and last shipped yesterday. chatbox leads on adoption by 12% (41,797 vs 37,403 stars). chatbox is written in TypeScript under GPL-3.0; CopilotKit is written in TypeScript under MIT. chatbox has attracted 10% 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 (assistant, copilot), 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
| chatbox | CopilotKit | |
|---|---|---|
| GitHub stars | ★ 42K | ★ 37K |
| License | GPL-3.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-16 | 2026-09-18 |
| Forks | ⑂ 4.3K | ⑂ 4.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick chatbox if
- You weight community size — 42K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches TypeScript
- 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 chatbox
Chatbox (Community Edition) is a cross platform desktop client for large language models, written in TypeScript and released under the GPL 3.0 license. It runs on Windows, macOS and Linux, and it connects to a range of providers including OpenAI (ChatGPT), Azure OpenAI, Claude, Google Gemini Pro, Ollama and ChatGLM 6B. The project lives in the AI interaction and interfaces ecosystem, where desktop chat front ends sit between a user and one or more hosted or locally hosted model APIs. The repository carries 41,767 stars and 4,251 forks across four years of history.
read the full chatbox overview →
About CopilotKit
CopilotKit is a frontend SDK for building agent native applications and generative UI experiences. It provides tooling and protocols to connect AI agents—regardless of backend framework—to user interfaces across web, mobile, and messaging platforms. It lives in the agentic AI ecosystem, specifically targeting developers who need to embed intelligent assistants into products without rebuilding agent logic for each surface.
read the full CopilotKit overview →
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Frequently asked questions
Is chatbox or CopilotKit more popular?
chatbox has 41,797 GitHub stars and CopilotKit has 37,403. chatbox has the larger community by that measure.
Are chatbox and CopilotKit free?
Both are open source. chatbox is licensed under GPL-3.0 and CopilotKit under MIT. Neither carries a licence fee.
What is the difference between chatbox and CopilotKit?
chatbox is written in TypeScript 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, chatbox or CopilotKit?
Choose chatbox if you want the larger community (41,797 stars) or its GPL-3.0 licence terms. Choose CopilotKit if its feature set, stack or MIT licence fits better. Both are self-hostable.