LlamaIndex

Data framework for LLM applications specializing in ingestion, indexing, and querying of private data.

Development ToolsFree
4.6 (4567 reviews)
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Key Features

  • Data connectors
  • Index structures
  • Query engines
  • Chat engines
  • Agents
  • Observability

Pros

  • Excellent for RAG
  • Many data connectors
  • Good abstractions
  • Active development
  • Strong community
  • Production ready

Cons

  • Complex for beginners
  • Python only mainly
  • Performance overhead
  • Documentation scattered
  • Frequent changes
  • Debugging challenges

Use Cases

Best For:

RAG applicationsDocument Q&AData integrationKnowledge basesProduction systems

Not Recommended For:

Simple chatbotsNon-Python stacksQuick prototypesBasic needs

Recent Reviews

John Developer
2 weeks ago

Excellent tool that has transformed our workflow. The API is well-documented and easy to integrate.

Sarah Tech
1 month ago

Great features but took some time to learn. Once you get the hang of it, it's incredibly powerful.

Mike Business
2 months ago

Best investment for our team. Increased productivity by 40% in just the first month.