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LlamaIndex
Data framework for connecting custom data sources to LLMs
FrameworkOpen SourceMature
About
LlamaIndex (formerly GPT Index) is a data framework for LLM applications. It excels at ingesting, structuring, and accessing private or domain-specific data. Provides data connectors, indices, query engines, and agents optimized for RAG use cases.
Strengths
- Best-in-class data ingestion
- Excellent RAG capabilities
- Clean API design
Limitations
- Less flexible for non-RAG use cases
- Smaller agent ecosystem
- Python-first
Use Cases
RAG applicationsDocument Q&AKnowledge basesData analysis
Integrations
OpenAIAnthropicChromaDBPineconeWeaviatePostgreSQL