head to head · open source
AnythingLLM vs Onyx
AnythingLLM has 67,862 GitHub stars, 7,658 forks, 311 open issues and last shipped 4 days ago. Onyx has 33,170 stars, 4,692 forks, 451 open issues and last shipped yesterday. AnythingLLM leads on adoption by 105% (67,862 vs 33,170 stars). AnythingLLM is written in JavaScript under MIT; Onyx is written in Python under a custom or non-standard licence. AnythingLLM has attracted 11% as many forks as stars, Onyx 14%. Onyx was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (llm), 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
| AnythingLLM | Onyx | |
|---|---|---|
| GitHub stars | ★ 68K | ★ 33K |
| License | MIT | Custom / other |
| Written in | JavaScript | Python |
| Last push | 2026-10-30 | 2026-11-02 |
| Forks | ⑂ 7.7K | ⑂ 4.7K |
| 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 Onyx if
- You want the Onyx feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Python
- You evaluated both and Onyx 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 Onyx
Onyx The Open Source AI Platform Onyx is the application layer for LLMs bringing a feature rich interface that can be easily hosted by anyone. Onyx enables LLMs through advanced capabilities like RAG, web search, code execution, file creation, deep research and more. Connect your applications with over 50+ indexing based connectors provided out of the box or via MCP. [!TIP] Deploy with a single command: ⭐ Features 🔍 Agentic RAG: Get best in class search and answer quality based on hybrid index + AI Agents for information retrieval Benchmark to release soon! 🔬 Deep Research: Get in depth reports with a multi…
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Frequently asked questions
Is AnythingLLM or Onyx more popular?
AnythingLLM has 67,862 GitHub stars and Onyx has 33,170. AnythingLLM has the larger community by that measure.
Are AnythingLLM and Onyx free?
Both are open source. AnythingLLM is licensed under MIT, and Onyx has no licence declared in this registry. Both are free to self-host.
What is the difference between AnythingLLM and Onyx?
AnythingLLM is written in JavaScript and Onyx in Python. 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 Onyx?
Choose AnythingLLM if you want the larger community (67,862 stars) or its MIT licence terms. Choose Onyx if its feature set, stack or Custom / other licence fits better. Both are self-hostable.