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LlamaIndex

Data framework for building LLM applications, RAG systems, and agentic workflows.

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Overview

LlamaIndex is an open-source framework for connecting language models with private and domain-specific data. It provides data connectors, indexing and retrieval components, agent tools, and event-driven workflows. Developers can use AgentWorkflow for multi-agent handoffs or an orchestrator that invokes specialized agents as tools.

Key features

  • Data connectors and ingestion
  • Indexes and retrieval pipelines
  • Agent tools and workflows
  • Agent handoffs and orchestration
  • Event-driven workflow steps
  • Python and TypeScript support

Use cases

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Last updated 2026-09-16