head to head · open source
openhuman vs Langchain-Chatchat
openhuman has 39,838 GitHub stars, 3,928 forks, 189 open issues and last shipped yesterday. Langchain-Chatchat has 38,641 stars, 6,263 forks, 26 open issues and last shipped 10 months ago. openhuman leads on adoption by 3% (39,838 vs 38,641 stars). openhuman is written in Rust under GPL-3.0; Langchain-Chatchat is written in Python under Apache-2.0. openhuman has attracted 10% as many forks as stars, Langchain-Chatchat 16%. openhuman 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
| openhuman | Langchain-Chatchat | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 39K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Rust | Python |
| Last push | 2026-09-17 | 2025-11-10 |
| Forks | ⑂ 3.9K | ⑂ 6.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick openhuman if
- You weight community size — 40K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick Langchain-Chatchat if
- You want the Langchain-Chatchat feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and Langchain-Chatchat fits your workflow better
About openhuman
OpenHuman is an open source, GPL 3.0 licensed agent harness written in Rust and shipped as a Tauri desktop application, aimed at individuals who want a personal AI assistant whose memory, orchestration, and research tooling run local first on their own machine.
read the full openhuman overview →
About Langchain-Chatchat
Langchain Chatchat (formerly Langchain ChatGLM) is an open source RAG and Agent application built on the Langchain framework and designed to run against local large language models such as ChatGLM, Qwen, and Llama. It lives in the Python ecosystem, is distributed under the Apache 2.0 license, and is published on PyPI as langchain chatchat . The project targets Chinese language scenarios and open source models specifically, with the stated goal of providing a knowledge base question answering solution that can run entirely offline.
read the full Langchain-Chatchat overview →
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Frequently asked questions
Is openhuman or Langchain-Chatchat more popular?
openhuman has 39,838 GitHub stars and Langchain-Chatchat has 38,641. openhuman has the larger community by that measure.
Are openhuman and Langchain-Chatchat free?
Both are open source. openhuman is licensed under GPL-3.0 and Langchain-Chatchat under Apache-2.0. Neither carries a licence fee.
What is the difference between openhuman and Langchain-Chatchat?
openhuman is written in Rust and Langchain-Chatchat 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, openhuman or Langchain-Chatchat?
Choose openhuman if you want the larger community (39,838 stars) or its GPL-3.0 licence terms. Choose Langchain-Chatchat if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.