RAGFlow alternatives
6 rag tools in the same lane as RAGFlow, ranked by editorial score.
RB
RAGs by LlamaIndex
RAG · Multi-model (OpenAI, Anthropic, Replicate, HuggingFace)
7.0
Open-source Streamlit app that builds a custom RAG pipeline from a natural-language brief.
Free· Free, MIT-licensed; bring your own model/API keysnatural-language-rag-builderdocument-qa
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
AG
Agentset
RAG · Multi-model (Claude, OpenAI, Google, xAI, Cohere, Mistral, DeepSeek)
7.3
Production-ready RAG infrastructure with agentic search, citations, and model-agnostic plumbing.
Freemium· Free: $0 · Pro: $49 · Enterprise: Customdocument-qaagentic-search
LC
Langchain-Chatchat
RAG · Multi-model (GLM-4, Qwen2, Llama 3, etc. via Xinference/Ollama/LocalAI/FastChat)
7.4
Self-hostable RAG and agent framework that wires LangChain to any local open-source LLM and a knowledge base.
Free· Apache-2.0 open source; self-hosted, infra costs onlyprivate-knowledge-baseoffline-rag
UL
UltraRAG
RAG · Multi-model (MiniCPM-Embedding-Light, AgentCPM-Report, BYO LLM)
7.1
Low-code, YAML-driven RAG pipeline orchestrator with a visual UI for building and demoing retrieval systems.
Free· Open source; self-hostedrag-pipelinesknowledge-base-qa
DE
DeepSearcher
RAG · Multi-model (DeepSeek, OpenAI o1/o3-mini, Claude, Llama, others)
6.9
Open-source agentic RAG framework for private enterprise data, built by the Zilliz/Milvus team.
Free· Free, Apache 2.0; bring your own LLM and vector DB costsenterprise-ragagentic-search