head to head · open source
Langchain-Chatchat vs xiaozhi-android-client
Langchain-Chatchat has 38,643 GitHub stars, 6,266 forks, 26 open issues and last shipped 10 months ago. xiaozhi-android-client has 1,596 stars, 412 forks, 6 open issues and last shipped 2 days ago. Langchain-Chatchat leads on adoption by 2,321% (38,643 vs 1,596 stars). Langchain-Chatchat is written in Python under Apache-2.0; xiaozhi-android-client is written in Dart under Apache-2.0. Langchain-Chatchat has attracted 16% as many forks as stars, xiaozhi-android-client 26%. xiaozhi-android-client 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 | xiaozhi-android-client | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 1.6K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Dart |
| Last push | 2025-11-10 | 2026-09-18 |
| Forks | ⑂ 6.3K | ⑂ 412 |
| 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 xiaozhi-android-client if
- You want the xiaozhi-android-client feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Dart
- You evaluated both and xiaozhi-android-client 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 xiaozhi-android-client
xiaozhi android client is a Flutter client for the xiaozhi server ecosystem that puts real time voice conversation and text chat in front of Android, iOS, HarmonyOS, Web, Windows, macOS and Linux users, and it is aimed at developers, AI hardware makers and self hosters who already run or plan to run a xiaozhi backend.
read the full xiaozhi-android-client overview →
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Frequently asked questions
Is Langchain-Chatchat or xiaozhi-android-client more popular?
Langchain-Chatchat has 38,643 GitHub stars and xiaozhi-android-client has 1,596. Langchain-Chatchat has the larger community by that measure.
Are Langchain-Chatchat and xiaozhi-android-client free?
Both are open source. Langchain-Chatchat is licensed under Apache-2.0 and xiaozhi-android-client under Apache-2.0. Neither carries a licence fee.
What is the difference between Langchain-Chatchat and xiaozhi-android-client?
Langchain-Chatchat is written in Python and xiaozhi-android-client in Dart. 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 xiaozhi-android-client?
Choose Langchain-Chatchat if you want the larger community (38,643 stars) or its Apache-2.0 licence terms. Choose xiaozhi-android-client if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.