head to head · open source
AnythingLLM vs Leon
AnythingLLM has 66,141 GitHub stars, 7,347 forks, 311 open issues and last shipped yesterday. Leon has 17,518 stars, 1,469 forks, 112 open issues and last shipped yesterday. AnythingLLM leads on adoption by 278% (66,141 vs 17,518 stars). AnythingLLM is written in JavaScript under MIT; Leon is written in TypeScript under MIT. AnythingLLM has attracted 11% as many forks as stars, Leon 8%. Leon was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| AnythingLLM | Leon | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 18K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 7.3K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick AnythingLLM if
- You weight community size — 66K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Leon if
- You want the Leon feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Leon fits your workflow better
About AnythingLLM
AnythingLLM is a local first AI application that enables users to chat with their documents using any large language model (LLM), local or cloud hosted. It runs as a self hosted service—by default in Docker—and provides a complete interface for document ingestion, agent orchestration, multi user access, and workflow automation without requiring external cloud dependencies. The project lives in the local AI and AI interaction ecosystem, targeting users who want full control over their data and model selection.
read the full AnythingLLM overview →
About Leon
Leon is open source personal AI assistant. It lives in Node.js and TypeScript ecosystem, under AI Interaction & Interfaces category. Project builds around tools, context, memory, and agentic execution. It aims to stay practical, privacy aware, and grounded in real environment. Leon can operate locally, use dedicated tools instead of relying on free form guessing, and complete tasks from start to finish across deterministic workflows and agent style execution.
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Frequently asked questions
Is AnythingLLM or Leon more popular?
AnythingLLM has 66,141 GitHub stars and Leon has 17,518. AnythingLLM has the larger community by that measure.
Are AnythingLLM and Leon free?
Both are open source. AnythingLLM is licensed under MIT and Leon under MIT. Neither carries a licence fee.
What is the difference between AnythingLLM and Leon?
AnythingLLM is written in JavaScript and Leon 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, AnythingLLM or Leon?
Choose AnythingLLM if you want the larger community (66,141 stars) or its MIT licence terms. Choose Leon if its feature set, stack or MIT licence fits better. Both are self-hostable.