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

⭐ 36690 · 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 to enable retrieval-augmented generation (RAG) and agent applications. It provides a practical, open source tool for engineering teams focused on machine learning and AI, allowing them to build chatbots and knowledge-driven assistants that operate efficiently with models like ChatGLM, Qwen, and Llama. The project is mature enough for production use, offering a reliable, self hosted option that supports embedding and vector search technologies such as FAISS and Milvus. However, it may not be the best fit for teams requiring fully managed cloud services or those prioritising minimal setup and maintenance overhead, as it demands some expertise in model deployment and vector database management.

When to use this project

Langchain-Chatchat is a strong choice when teams need a production ready solution for building custom chatbots or knowledge base applications that leverage local large language models. Teams should consider alternatives if they prefer fully managed services or require support for non-Python environments.

Team fit and typical use cases

Machine learning engineers and AI specialists benefit most from Langchain-Chatchat, typically using it to develop conversational agents and retrieval augmented generation workflows. It is commonly found in products that require customisable, self hosted chatbot solutions or knowledge management systems that integrate with open source vector databases and language models.

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.