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

⭐ 36993 · 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 challenge of integrating large language models with local knowledge bases using retrieval-augmented generation (RAG) techniques. It provides a practical solution for machine learning and AI engineering teams looking to build chatbots or agent applications that leverage models like ChatGLM, Qwen, and Llama. The project is mature enough for production use, offering a reliable foundation for self hosted deployments where data privacy and control are priorities. However, it may not be the best fit for teams seeking a lightweight or fully managed cloud service, as it requires more setup and maintenance compared to hosted alternatives.

When to use this project

This open source tool for engineering teams is ideal when you need a production ready solution that combines local knowledge with advanced language models for custom chatbot or agent applications. Teams should consider alternatives if they require minimal configuration or prefer cloud-based managed services with less operational overhead.

Team fit and typical use cases

Machine learning engineers and AI specialists benefit most from Langchain-Chatchat, using it to develop chatbots and intelligent agents that interact with domain-specific data. It is commonly employed in products requiring conversational AI with integrated knowledge retrieval, such as customer support systems or internal knowledge management tools. This self hosted option for RAG applications allows teams full control over data and model integration.

Best suited for

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.