head to head · open source
Langchain-Chatchat vs ChuanhuChatGPT
Langchain-Chatchat has 38,715 GitHub stars, 6,255 forks, 26 open issues and last shipped 12 months ago. ChuanhuChatGPT has 15,249 stars, 2,179 forks, 129 open issues and last shipped 2 months ago. Langchain-Chatchat leads on adoption by 154% (38,715 vs 15,249 stars). Langchain-Chatchat is written in Python under Apache-2.0; ChuanhuChatGPT is written in Python under GPL-3.0. Langchain-Chatchat has attracted 16% as many forks as stars, ChuanhuChatGPT 14%. ChuanhuChatGPT was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (chatbot, chatglm, llama), 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 | ChuanhuChatGPT | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 15K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | Python |
| Last push | 2025-11-10 | 2026-09-16 |
| Forks | ⑂ 6.3K | ⑂ 2.2K |
| 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 ChuanhuChatGPT if
- You want the ChuanhuChatGPT feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and ChuanhuChatGPT fits your workflow better
About Langchain-Chatchat
🌍 READ THIS IN ENGLISH 📃 LangChain Chatchat (原 Langchain ChatGLM) 基于 ChatGLM 等大语言模型与 Langchain 等应用框架实现，开源、可离线部署的 RAG 与 Agent 应用项目。 目录 概述 功能介绍 0.3.x 功能一览 已支持的模型推理框架与模型 快速上手 pip 安装部署 源码安装部署/开发部署 Docker 部署 项目里程碑 联系我们 概述 🤖️ 一种利用 langchain 思想实现的基于本地知识库的问答应用，目标期望建立一套对中文场景与开源模型支持友好、可离线运行的知识库问答解决方案。 💡 受 GanymedeNil 的项目 document.ai 和 AlexZhangji 创建的 ChatGLM 6B Pull Request 启发，建立了全流程可使用开源模型实现的本地知识库问答应用。本项目的最新版本中可使用 Xinference、Ollama 等框架接入 GLM 4 Chat、 Qwen2 Instruct、 Llama3 等模型，依托于 langchain 框架支持通过基于 FastAPI 提供的 API 调用服务，或使用基于 Streamlit 的 WebUI 进行操作。 ✅ 本项目支持市面上主流的开源 LLM、 Embedding 模型与向量数据库，可实现全部使用 开源 模型 离线私有部署…
read the full Langchain-Chatchat overview →
About ChuanhuChatGPT
简体中文 English 日本語 Russian 한국어 川虎 Chat 🐯 Chuanhu Chat 为ChatGPT等多种LLM提供了一个轻快好用的Web图形界面和众多附加功能 支持 DeepSeek R1 & GPT 4 · 基于文件问答 · LLM本地部署 · 联网搜索 · Agent 助理 · 支持 Fine tune 视频教程 · 2.0介绍视频 在线体验 · 一键部署 📢 新增：现已支持 GPT 5（含 GPT 5、GPT 5 mini、GPT 5 nano；400k 上下文、最多 128k 输出）。 目录 ✨ 5.0 重磅更新！ New! 全新的用户界面！精致得不像 Gradio，甚至有毛玻璃效果！ New! 适配了移动端（包括全面屏手机的挖孔/刘海），层级更加清晰。 New! 历史记录移到左侧，使用更加方便。并且支持搜索（支持正则）、删除、重命名。 New! 现在可以让大模型自动命名历史记录（需在设置或配置文件中开启）。 New! 现在可以将 川虎Chat 作为 PWA 应用程序安装，体验更加原生！支持 Chrome/Edge/Safari 等浏览器。 New! 图标适配各个平台，看起来更舒服。 New! 支持 Finetune（微调） GPT 3.5！ 支持模型 使用技巧 💪 强力功能 川虎助理 ：类似 AutoGPT，全自动解决你的问题； 在线搜索 ：ChatGPT 的数据太旧？给 LLM…
read the full ChuanhuChatGPT overview →
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Frequently asked questions
Is Langchain-Chatchat or ChuanhuChatGPT more popular?
Langchain-Chatchat has 38,715 GitHub stars and ChuanhuChatGPT has 15,249. Langchain-Chatchat has the larger community by that measure.
Are Langchain-Chatchat and ChuanhuChatGPT free?
Both are open source. Langchain-Chatchat is licensed under Apache-2.0 and ChuanhuChatGPT under GPL-3.0. Neither carries a licence fee.
What is the difference between Langchain-Chatchat and ChuanhuChatGPT?
Langchain-Chatchat is written in Python and ChuanhuChatGPT 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, Langchain-Chatchat or ChuanhuChatGPT?
Choose Langchain-Chatchat if you want the larger community (38,715 stars) or its Apache-2.0 licence terms. Choose ChuanhuChatGPT if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.