Comparison

Ragas vs RAGFlow

No leader: the top candidate Ragas has only 0.32 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Ragas54
RAGFlow54
Score
vioscaleAI score
Ragas54 / 100low · 32%
RAGFlow54 / 100low · 9%
Pricing
Free tier
Ragas✓
RAGFlow✓
Model
Price level
Ragasfree
RAGFlowfree
Transparent
Ragas✓
RAGFlow✓
Integrations
Count
Ragas3
RAGFlow12
Adoption
Dependent repos
Ragas1
RAGFlow–
Github stars
Ragas15,838
RAGFlow–
Release
Cadence days
Ragas7
RAGFlow–
History
RAGFlow–
License
Spdx
RAGFlow–
Language
Primary
RagasPython
RAGFlow–
Content
Faq
Ragas6 items
RAGFlow5 items

Capabilities

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

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

What each one is

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

Ragas

A Python-based framework that evaluates RAG applications through automatic metrics covering faithfulness, relevance, and recall. Includes tools to synthetically generate test datasets customized for specific use cases, enabling developers to assess LLM application performance at both component and end-to-end levels.

Independently observed

RAGFlow

RAGFlow is an open-source RAG engine that streamlines data processing and integration for building production-ready AI systems. It supports multiple data formats and provides configurable LLM and embedding options with agent-based workflows.

Independently observed

Pricing

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

Ragas

Open sourceFree tier
as of verify ↗

RAGFlow

Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
Web
Ragas✗
RAGFlow✓
Linux
Ragas✗
RAGFlow✓
CLI
Ragas✓
RAGFlow✗
Deployment
Cloud / SaaS
Ragas✗
RAGFlow✓
Self-hosted
Ragas✓
RAGFlow✓

Integrations

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

In common (1)
  • OpenAI

Ragas

3 total - 2 not shared
  • LlamaIndex
  • LangSmith
Independently observed

RAGFlow

16 total - 15 not shared
  • Discord
  • Feishu
  • Telegram
  • Line
  • Confluence
  • S3
  • Notion
  • Google Drive
  • DeepSeek
  • Gemini
  • OpenClaw
  • OpenAI GPT-5
  • Google Gemini 3 Pro
  • DeepSeek v4
  • MCP
Independently observed
Still deciding?

Ragas or RAGFlow: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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