head to head · open source
AnythingLLM vs Leon
AnythingLLM has 67,862 GitHub stars, 7,658 forks, 311 open issues and last shipped 4 days ago. Leon has 17,629 stars, 1,479 forks, 112 open issues and last shipped yesterday. AnythingLLM leads on adoption by 285% (67,862 vs 17,629 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 | ★ 68K | ★ 18K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-10-30 | 2026-11-02 |
| Forks | ⑂ 7.7K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick AnythingLLM if
- You weight community size — 68K 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
[!NOTE] We are also working on Open Computer which gives an entire computer environment for AI Agents to use. This will bring AnythingLLM's agent capabilities to a new level and a novel UX paradigm for AI Agent use. ⭐ Star the repo to stay updated! AnythingLLM: The all in one AI app you were looking for. Chat with your docs, use AI Agents, hyper configurable, multi user, & no frustrating setup required. Docs Hosted Instance English · 简体中文 · 日本語 👉 AnythingLLM for desktop (Mac, Windows, & Linux)! Download Now Chat with your docs. Automate complex workflows with AI Agents. Hyper configurable, multi user ready…
read the full AnythingLLM overview →
About Leon
Leon Your open source personal AI assistant. I share Leon progress most regularly on X / @grenlouis Follow progress on X / @grenlouis · Website · Newsletter · Roadmap · Story ⚠️ Important Notice (as of 2026 03 29) [!IMPORTANT] Leon is currently focused on the 2.0 Developer Preview on the develop branch. The new documentation is not ready yet . The current docs site and older guides mostly reflect the legacy architecture. If you want the legacy, more stable pre agentic version of Leon, use the master branch. If you want to explore or contribute to Leon's new core, develop is the right place. The most accurate…
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Frequently asked questions
Is AnythingLLM or Leon more popular?
AnythingLLM has 67,862 GitHub stars and Leon has 17,629. 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 (67,862 stars) or its MIT licence terms. Choose Leon if its feature set, stack or MIT licence fits better. Both are self-hostable.