Comparison

FastRAG vs RAGFlow

On the evidence we track, FastRAG leads this comparison with a composite score of 47/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
FastRAG47
RAGFlow27
Score
Vioscale score
FastRAG47 / 100low · 35%
RAGFlow27 / 100low · 15%
Pricing
Free tier
FastRAG
RAGFlow
Model
FastRAGcommercial
RAGFlowfreemium
Price level
FastRAGfree
RAGFlow
Transparent
FastRAG
RAGFlow
Integrations
Count
FastRAG6
RAGFlow12
Adoption
Dependent repos
FastRAG0
RAGFlow
Github stars
FastRAG1,785
RAGFlow
Activity
Commits last 30d
FastRAG0
RAGFlow
Release
Cadence days
FastRAG22
RAGFlow
History
FastRAG10 items
RAGFlow
License
Spdx
FastRAGApache-2.0
RAGFlow
Language
Primary
FastRAGPython
RAGFlow

Capabilities

Feature-by-feature on the axes that matter for rag tools. “-” means undocumented, not absent.

Capabilities
Hybrid retrieval
FastRAG-
RAGFlow-
Reranking integration
FastRAG-
RAGFlow-
Multi hop agentic retrieval
FastRAG-
RAGFlow-
Embedding provider agnostic
FastRAG
RAGFlow-
LLM provider agnostic
FastRAG
RAGFlow-
Built in rag eval metrics
FastRAG-
RAGFlow-
Citation attribution
FastRAG-
RAGFlow-
Multimodal rag
FastRAG
RAGFlow-
Managed ingestion pipeline
FastRAG-
RAGFlow-
Open source
FastRAG
RAGFlow-

What each one is

The product in its own terms, so the numbers below have context.

FastRAG

Leader

A toolkit for researchers and developers to construct and optimize RAG applications. It provides streamlined components for retrieval and generation, with support for multiple LLM backends and hardware accelerators, and maintains compatibility with the Haystack framework.

Independently observed

RAGFlow

An AI platform that combines retrieval-augmented generation with autonomous agent features, enabling developers to create production-ready AI systems from complex data sources. It supports multiple deployment models (cloud or self-hosted Docker), integrates with various LLM providers and data sources, and provides streamlined workflows for enterprises of any scale.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

FastRAG

Leader
Open sourceFree tier
as of verify ↗

RAGFlow

Pricing not documented yet.

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
FastRAG
RAGFlow
CLI
FastRAG
RAGFlow
Deployment
Cloud / SaaS
FastRAG
RAGFlow
Self-hosted
FastRAG
RAGFlow

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

FastRAG

Leader
6 total
  • Haystack
  • HuggingFace
  • Elastic
  • Qdrant
  • OpenVINO
  • LlamaCpp
Independently observed

RAGFlow

12 total
  • Discord
  • Feishu
  • Telegram
  • Line
  • Confluence
  • S3
  • Notion
  • Google Drive
  • OpenAI
  • DeepSeek
  • Gemini
  • OpenClaw
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.