
Langchain-Chatchat
Open-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.
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About
Langchain-Chatchat is an open-source, offline-deployable Retrieval-Augmented Generation (RAG) and Agent application. It empowers users to construct local knowledge base question-answering systems by leveraging the LangChain framework and large language models.
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Key facts
- Website
- github.com
- Founded
- 2023
- Business model
- Open Source
Langchain-Chatchat pricing

Plans as published by Langchain-Chatchat. Current prices on github.com
Tech stack
Detected on github.com, last scanned 26 Oct 2026. Run your own scan
- Email provider
- Microsoft 365
- Affiliate program
- Self-hosted affiliate
Langchain-Chatchat scores 46. Does yours?
That is its Agent Readiness: how well ChatGPT, Claude and the other agents can read and use a site. Paste your website and you get yours in about a minute.
Frequently asked
Is Langchain-Chatchat trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Langchain-Chatchat is 91 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
Does Langchain-Chatchat have an affiliate program?
Yes, Langchain-Chatchat has an affiliate program. The program runs on Self-hosted affiliate. Register here: github.com/chatchat-space/Langchain-Chatchat/affiliates
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for Langchain-Chatchat


