Tool Hut
AI developer infrastructure

LlamaIndex

Data framework for LLMs — index, query, and retrieve from any data source.

Add LlamaIndex to your hut →

LlamaIndex is a data framework for building LLM applications that reason over your own data. It specialises in the ingestion, structuring, and retrieval side of RAG — connecting data sources (PDFs, databases, APIs, wikis, Notion, Slack) to LLMs in a queryable, structured way. Where LangChain provides breadth across the full agent/chain/tool stack, LlamaIndex goes deep on the data layer: multiple index types, query engines, and retrieval strategies for complex knowledge bases.

Open-source and free. LlamaCloud offers a managed data pipeline for teams who want the retrieval infrastructure without the ops work. Most often compared to LangChain — LlamaIndex's edge is sophisticated data indexing and retrieval for complex, multi-source RAG; LangChain's is the broader agent and workflow ecosystem.

Made byLlamaIndex
PricingOpen-source (free) · LlamaCloud managed service (usage-based)
Best forRAG pipelines, data indexing for LLMs, multi-source knowledge bases, production retrieval

Alternatives to LlamaIndex