Keywords AI

LlamaIndex vs R2R

Compare LlamaIndex and R2R side by side. Both are tools in the RAG Frameworks category.

Quick Comparison

LlamaIndex
LlamaIndex
R2R
R2R
CategoryRAG FrameworksRAG Frameworks
PricingOpen Sourceopen-source
Best ForDevelopers building data-intensive LLM applications who need flexible ingestion and retrievalDevelopers wanting a production-ready RAG system
Websitellamaindex.aisciphi.ai
Key Features
  • Data framework for LLM applications
  • 100+ data connectors
  • Advanced chunking and indexing
  • Query engines and agents
  • Evaluation and observability
  • RAG engine
  • End-to-end
  • Deployable
  • Open source
Use Cases
  • Building RAG pipelines from any data source
  • Enterprise knowledge base creation
  • Multi-source data integration for AI
  • Structured data extraction and querying
  • Agent-based data interaction

When to Choose LlamaIndex vs R2R

LlamaIndex
Choose LlamaIndex if you need
  • Building RAG pipelines from any data source
  • Enterprise knowledge base creation
  • Multi-source data integration for AI
Pricing: Open Source

About LlamaIndex

LlamaIndex (formerly GPT Index) is a data framework for connecting LLMs with external data sources. It provides connectors for 160+ data sources, document parsers, indexing strategies, and query engines that make it easy to build RAG applications. LlamaIndex supports advanced retrieval patterns including recursive retrieval, knowledge graphs, and multi-document agents. The LlamaCloud managed service handles document ingestion and parsing at scale.

About R2R

End-to-end open-source RAG engine with server, API, and pipeline pre-built. RAG to Riches.

What is RAG Frameworks?

Frameworks and tools for building retrieval-augmented generation pipelines—document parsing, chunking, indexing, and query engines that connect LLMs to your data.

Browse all RAG Frameworks tools →

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