RagFlow

RagFlow

RagFlow is an open-source RAG engine based on deep document understanding.

Free + paidWebDockerAPIOpen sourceKoreanLLM-basedMultimodal
Visit websiteragflow.io
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Overview

RagFlow is an open-source RAG engine based on deep document understanding. It excels at extracting structured knowledge from complex unformatted documents like PDFs and spreadsheets to ensure grounded and accurate LLM responses. Featuring template-based chunking and a visual workflow editor, it enables enterprises to build robust AI knowledge bases with high precision and transparency.

Key features

  • Deep Document Understanding parsing
  • Visual workflow orchestration
  • Template-based chunking
  • Hybrid search (Full-text & Vector)
  • Citation and traceability
  • Multi-LLM support

Pricing

Free + paidStarting price: Free
View pricing page

Verified on:

Use cases

  • Enterprise internal knowledge base
  • Technical document Q&A
  • Legal and financial document analysis

Who it is for

Data EngineersEnterprise IT TeamsAI Developers

Integrations

ElasticsearchMilvusOllamaZilliz

Tags

RAG

How we verified this

Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.

Last verified 08/30/2026Verified sources: 1

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