head to head · open source
Langchain-Chatchat vs ChatALL
Langchain-Chatchat has 38,643 GitHub stars, 6,266 forks, 26 open issues and last shipped 10 months ago. ChatALL has 16,498 stars, 1,722 forks, 234 open issues and last shipped 9 days ago. Langchain-Chatchat leads on adoption by 134% (38,643 vs 16,498 stars). Langchain-Chatchat is written in Python under Apache-2.0; ChatALL is written in JavaScript under Apache-2.0. Langchain-Chatchat has attracted 16% as many forks as stars, ChatALL 10%. ChatALL was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (chatbot, chatgpt), 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
| Langchain-Chatchat | ChatALL | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 16K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | JavaScript |
| Last push | 2025-11-10 | 2026-09-11 |
| Forks | ⑂ 6.3K | ⑂ 1.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Langchain-Chatchat if
- You weight community size — 39K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick ChatALL if
- You want the ChatALL feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and ChatALL fits your workflow better
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 →
About ChatALL
ChatALL is an open source desktop application that sends one prompt to many AI bots concurrently so users can compare answers and discover the best result, and it is built for LLM gurus, LLM researchers, and developers of LLM applications.
read the full ChatALL overview →
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Frequently asked questions
Is Langchain-Chatchat or ChatALL more popular?
Langchain-Chatchat has 38,643 GitHub stars and ChatALL has 16,498. Langchain-Chatchat has the larger community by that measure.
Are Langchain-Chatchat and ChatALL free?
Both are open source. Langchain-Chatchat is licensed under Apache-2.0 and ChatALL under Apache-2.0. Neither carries a licence fee.
What is the difference between Langchain-Chatchat and ChatALL?
Langchain-Chatchat is written in Python and ChatALL in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Langchain-Chatchat or ChatALL?
Choose Langchain-Chatchat if you want the larger community (38,643 stars) or its Apache-2.0 licence terms. Choose ChatALL if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.