RAGFlow
An open-source, self-hostable RAG engine with document ingestion, hybrid search and a visual agent builder.
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About RAGFlow
RAGFlow is a retrieval-augmented generation engine for question answering over your own data. Its ingestion pipeline cleans and structures documents, images and other data sources. Search combines vector search, BM25 full-text search and re-ranking to find relevant context.
On top of retrieval it offers an agent platform with visual workflows that combine RAG, tools, web search and MCP servers. It is built with organisations in mind, and suits teams that want to self-host document search and AI agents over internal knowledge.
Strengths
- Ingestion pipeline for many document and data formats
- Hybrid vector and full-text search with re-ranking
- Visual workflow builder for agents with MCP support
Limitations
- Server setup is more involved than a desktop chat app
- Geared toward teams and organisations more than individuals
Details
- Pricing
- FreeFree and open source to self-host.
- License
- Open source, license not stated
- Developer
- InfiniFlow
- Platforms
- Web, Self-hosted
- How it runs
- Self-hosted
- Best suited for
- Teams self-hosting question answering and agents over internal documents
- Categories
- Local AI tools, AI assistants
- Last verified
- Added
- Provenance
- Facts checked against the developer's own pages and store listings, 1 sources on file.
Alternatives to RAGFlow
Compare allSoftware that can replace RAGFlow for an important use case, and what changes if you switch.
Dify
Self-hosted platform for building AI agent workflows and RAG pipelines.
Dify covers workflows, RAG and agents in one visual, self-hostable workspace, but it uses a custom source-available license and has a freemium model.
Kotaemon
An open-source, self-hosted RAG app for chatting with your documents using local or hosted models.
Kotaemon is a simpler open-source self-hosted RAG web app for chatting with documents, without RAGFlow's hybrid search, re-ranking or visual agent workflows.
PrivateGPT
A self-hosted API layer for building private AI applications on top of local language models.
PrivateGPT is a developer-focused API layer for document question answering on local models, with MCP and text-to-SQL support, but no visual agent builder and a separate inference server.
AnythingLLM
A desktop AI app that answers questions about your own documents, with no account and no API key needed.
AnythingLLM is an MIT-licensed desktop app for Windows, macOS and Linux that bundles document chat for individuals, instead of a team-oriented server deployment.
Open WebUI
A self-hosted chat interface that talks to Ollama and any OpenAI-compatible API, so your local models get a proper front end.
Open WebUI is a multi-user self-hosted chat interface with document retrieval, focused on chatting with Ollama and OpenAI-compatible models rather than on ingestion pipelines.
Khoj
Open-source AI second brain that researches across your documents and the web with any model.
Khoj is an AGPL-3.0 self-hostable assistant grounded in your notes and files that also searches the web, oriented to individuals more than organisations.
Langflow
Visual builder for creating and deploying AI agent workflows.
Langflow is an MIT-licensed visual builder for agent workflows with API and MCP server output, but you assemble retrieval from its component library rather than a built-in ingestion pipeline.
RAGFlow as an alternative
Listings that name RAGFlow as an alternative.
Coze
An AI agent platform for building assistants, automating workflows and producing office documents.
RAGFlow is a free open-source self-hostable engine with a visual agent builder over internal documents, requiring more involved server setup.
Gemini Notebook
Google's AI research notebook, formerly NotebookLM, that summarizes and answers questions about your uploaded sources.
RAGFlow is an open-source, self-hostable RAG engine with hybrid search and an agent builder, aimed at teams rather than individual study.
Humata
An AI tool for asking questions about your documents, with cited answers and summaries.
RAGFlow is an open-source, self-hostable RAG engine with hybrid search and an agent builder, geared toward teams and more involved to set up.
Open Notebook
Self-hosted, open source alternative to Google's NotebookLM.
RAGFlow is a self-hostable RAG engine with hybrid search, re-ranking and a visual agent builder, geared more toward teams than individuals.
Similar software
Related functionality, not necessarily a direct replacement.
Docling
Open source library that converts documents into AI-ready structured formats.
MinerU
A document parser that converts PDFs, Office files and scans into Markdown and JSON.
olmOCR
Open-source toolkit that uses a vision language model to turn PDFs and scans into Markdown.
Ollama
The simplest way to pull down an open language model and run it on your own machine, from one command or a desktop app.
LibreChat
Self-hosted open-source chat interface that brings many AI models and providers into one place.
