LlamaIndex

LlamaIndex

Verified

The data framework for LLM apps — connect your data to AI with powerful indexing and retrieval.

4.3
Open sourceAI Agents

About LlamaIndex

LlamaIndex specializes in connecting LLMs to your data. It provides tools for data ingestion, indexing, and retrieval that power production RAG applications. If LangChain is the Swiss Army knife, LlamaIndex is the precision tool for data-heavy AI apps.

Key Features

  • Data connectors for 160+ sources
  • Advanced indexing strategies
  • Production-grade RAG pipelines
  • Agent framework with tool use
  • LlamaCloud for managed parsing

Pros & Cons

Pros

+ Best-in-class for data and RAG

+ Great data connector library

+ Clean API design

Cons

- Narrower scope than LangChain

- Less community content

- Complex for simple use cases

Use Cases

Enterprise knowledge basesDocument Q&A systemsData-heavy AI applicationsRAG pipeline development
Pricing
Open source

Open-source framework. LlamaCloud for managed services.

Who It's For
Data engineersAI developersEnterprise teamsRAG specialists
Details
CompanyLlamaIndex
Founded2022
WebsiteVisit