Langchain-Chatchat open source analysis

Langchain-Chatchat（原Langchain-ChatGLM）基于 Langchain 与 ChatGLM, Qwen 与 Llama 等语言模型的 RAG 与 Agent 应用 | Langchain-Chatchat (formerly langchain-ChatGLM), local knowledge based LLM (like ChatGLM, Qwen and Llama) RAG and Agent app with langchain

Project overview

⭐ 36563 · Python · Last activity on GitHub: 2025-11-10

GitHub: https://github.com/chatchat-space/Langchain-Chatchat

Why it matters for engineering teams

Langchain-Chatchat addresses the practical challenge of integrating large language models with local knowledge bases to enable retrieval-augmented generation (RAG) and agent applications. It is particularly suited for machine learning and AI engineering teams looking for a production ready solution to build chatbots and intelligent agents that leverage models like ChatGLM, Qwen, and Llama. The project offers a self hosted option for teams requiring data privacy and control over their language model deployments. While mature and reliable for many production scenarios, it may not be the best choice when teams need fully managed cloud services or require extensive customisation beyond the supported language models and retrieval frameworks.

When to use this project

This open source tool for engineering teams is a strong choice when building chatbots or knowledge-based agents that need to operate with local data and open source LLMs. Teams should consider alternatives if they prefer fully managed APIs or require support for models outside the current ecosystem.

Team fit and typical use cases

Machine learning engineers and AI specialists benefit most from Langchain-Chatchat, using it to develop retrieval-augmented chatbots and intelligent agents. It typically appears in products that require local knowledge integration, such as enterprise knowledge bases or customer support automation. Its design supports teams seeking a self hosted option for scalable and customisable LLM applications.

Best suited for

Machine Learning and AI Engineer

Topics and ecosystem

chatbot chatchat chatglm chatgpt embedding faiss fastchat gpt knowledge-base langchain langchain-chatglm llama llm milvus ollama qwen rag retrieval-augmented-generation streamlit xinference

Activity and freshness

Latest commit on GitHub: 2025-11-10. Activity data is based on repeated RepoPi snapshots of the GitHub repository. It gives a quick, factual view of how alive the project is.