Langchain-Chatchat alternatives
6 rag tools in the same lane as Langchain-Chatchat, ranked by editorial score.
AN
AnythingLLM
RAG · Multi-model
7.9
Open-source desktop and self-hosted app that turns your documents into a private chat-and-agent workspace.
Freemium· Basic: $50/monthly · Pro: $99/monthly · Enterprise: Contact Usdocument-chatprivate-rag
PR
PrivateGPT
RAG · Multi-model (BYO local LLM)
7.0
Production-ready, air-gapped RAG framework for querying your documents with local LLMs.
Freemium· OSS free; Zylon enterprise contract (contact sales)private-ragchat-with-documents
QU
Quivr
RAG · Multi-model (OpenAI, Anthropic, Mistral, Gemma)
8.4
Open-source RAG framework for building custom AI assistants over your own documents in a few lines of Python.
Free· Open source (pip install quivr-core); pay only for LLM/vector-store usagedocument-qacustom-knowledge-base
MA
MaxKB
RAG · Multi-model
7.0
Open-source enterprise RAG and agent platform with built-in workflow engine and multi-LLM support.
Freemium· Community edition free (GPLv3); paid enterprise editionenterprise-knowledge-basecustomer-support-bots
RA
RAGFlow
RAG · Multi-model
8.1
Open-source RAG engine with deep document parsing, hybrid search, and visual agent orchestration.
Freemium· Free tier; Starter $29/mo; Pro $129/mo; Enterprise customdocument-qaenterprise-search
HA
Haystack
RAG · Multi-model
6.9
Open-source Python framework from deepset for building production RAG pipelines and LLM agents.
Freemium· Open-source free; deepset Enterprise Support and AI Platform via salesragagents