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Overview
LlamaIndex (formerly GPT Index) specializes in connecting LLMs to your data. It excels at retrieval-augmented generation with sophisticated indexing and query strategies. If your primary use case is building a chatbot over documents or data, LlamaIndex is often the better choice over LangChain.
Works with
PythonTypeScriptAll major LLMsMany data sources
Pricing
Pros
- +Best for RAG
- +Clean abstractions
- +Good data connectors
- +Less bloated than LangChain
Cons
- -Narrower scope
- -Smaller community
- -Less general-purpose
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