LlamaIndex
Open-source data framework for building RAG and LLM-powered applications that connect to custom data sources.
Features
- Data connectors for 160+ sources (APIs, PDFs, databases)
- Advanced RAG pipelines with indexing and retrieval
- Agent framework for multi-step reasoning
- LlamaCloud managed service for production RAG
- Supports all major LLM providers
What is LlamaIndex? LlamaIndex is the leading open-source framework for building retrieval-augmented generation (RAG) applications. It provides data connectors, indexing strategies, and query engines that make it easy to connect LLMs to custom data sources. LlamaIndex supports advanced RAG patterns, agent workflows, and integrates with all major LLM providers. LlamaCloud offers a managed production service for enterprise deployments.
Similar tools
Ada
paidEnterprise AI customer service platform that automates support conversations across channels with high resolution rates.
Aider
open-sourceOpen-source AI pair programming tool that runs in your terminal and edits code in your local git repository using any LLM.
AutoGen
open-sourceMicrosoft's open-source framework for building multi-agent AI systems with conversational patterns and tool use.