head to head · open source
LibreChat vs CopilotKit
LibreChat has 44,217 GitHub stars, 9,087 forks, 732 open issues and last shipped yesterday. CopilotKit has 37,396 stars, 4,638 forks, 295 open issues and last shipped yesterday. LibreChat leads on adoption by 18% (44,217 vs 37,396 stars). LibreChat is written in TypeScript under MIT; CopilotKit is written in TypeScript under MIT. LibreChat has attracted 21% 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 1 topic tag (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
| LibreChat | CopilotKit | |
|---|---|---|
| GitHub stars | ★ 44K | ★ 37K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 9.1K | ⑂ 4.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick LibreChat if
- You weight community size — 44K stars and counting
- You want the MIT 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 LibreChat
LibreChat is an open source, self hostable chat interface designed as an enhanced ChatGPT clone. It unifies access to multiple AI models—including OpenAI, Anthropic, Google Gemini, DeepSeek, Mistral, AWS Bedrock, Azure OpenAI, and others—within a single web application. Built in TypeScript, it supports real time streaming, multi model switching, and advanced agent workflows while providing features like message search, artifacts, code interpreter, and secure multi user authentication.
read the full LibreChat 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 LibreChat or CopilotKit more popular?
LibreChat has 44,217 GitHub stars and CopilotKit has 37,396. LibreChat has the larger community by that measure.
Are LibreChat and CopilotKit free?
Both are open source. LibreChat is licensed under MIT and CopilotKit under MIT. Neither carries a licence fee.
What is the difference between LibreChat and CopilotKit?
LibreChat 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, LibreChat or CopilotKit?
Choose LibreChat if you want the larger community (44,217 stars) or its MIT licence terms. Choose CopilotKit if its feature set, stack or MIT licence fits better. Both are self-hostable.