Comparison

LightRAG vs Ragas

On the evidence we track, LightRAG leads this comparison with a composite score of 62/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★LightRAG62
Ragas54
Score
vioscaleAI score
LightRAG62 / 100medium · 53%
Ragas54 / 100low · 32%
Pricing
Free tier
LightRAG–
Ragas✓
Model
Price level
LightRAGfree
Ragasfree
Transparent
LightRAG–
Ragas✓
Integrations
Count
LightRAG9
Ragas3
Adoption
Dependent repos
LightRAG0
Ragas1
Github stars
LightRAG40,136
Ragas15,838
Activity
Commits last 30d
LightRAG100
Ragas–
Release
Cadence days
LightRAG7
Ragas7
History
LightRAG20 items
License
Spdx
LightRAGMIT
Language
Primary
LightRAGPython
RagasPython
Content
Faq
LightRAG4 items
Ragas6 items

Capabilities

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

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

What each one is

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

LightRAG

Leader

An open-source RAG system designed for high scalability that uses both knowledge graphs and vector search to retrieve information from large datasets with reduced computational overhead and faster response times.

Independently observed

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

Pricing

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

LightRAG

Leader
Open source
as of verify ↗

Ragas

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
LightRAG✓
Ragas✗
macOS
LightRAG✓
Ragas✗
Linux
LightRAG✓
Ragas✗
CLI
LightRAG✓
Ragas✓
Deployment
Self-hosted
LightRAG✓
Ragas✓
On-premise
LightRAG✓
Ragas✗

Integrations

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

LightRAG

Leader
9 total
  • PostgreSQL
  • Neo4j
  • MongoDB
  • Milvus
  • Qdrant
  • Redis
  • Memgraph
  • MinerU
  • Docling
Independently observed

Ragas

3 total
  • LlamaIndex
  • LangSmith
  • OpenAI
Independently observed
Still deciding?

LightRAG or Ragas: 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.