LlamaIndex
Framework for agents over your data (RAG, document agents).
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About LlamaIndex
LlamaIndex is listed in our frameworks category and is aimed at builders. Framework for agents over your data (RAG, document agents). Pricing, as the maker states it: Open source + paid cloud. Maturity: Mature. We last checked the official link on 2026-10-14.
What is LlamaIndex?
LlamaIndex is a framework for building agents and RAG applications over your data. Its maintainers say their current focus is the best AI-powered engine for document parsing and extraction.
LlamaParse is the company's enterprise platform for agentic OCR, parsing, extraction and indexing, and LiteParse is a free, fast text parser. The open-source framework has offered orchestration tools for RAG and agent apps since 2023.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: llamaindex.ai.
Who is LlamaIndex for?
Developers building document agents and RAG over their own files, especially where document parsing quality matters.
LlamaIndex at a glance
- Open source: Yes (MIT License)
- GitHub: run-llama/llama_index · 52,598 stars (as of Oct 21, 2026)
Key features
- RAG and document-agent framework
- LlamaParse enterprise parsing
- Free LiteParse parser
- Open source with paid cloud
LlamaIndex FAQ
What is LlamaIndex?
LlamaIndex is a framework for building agents and RAG applications over your data. Its maintainers say their current focus is the best AI-powered engine for document parsing and extraction.
Who is LlamaIndex for?
Developers building document agents and RAG over their own files, especially where document parsing quality matters.
Is LlamaIndex free?
LlamaIndex's pricing, as the maker states it: Open source + paid cloud. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is LlamaIndex open source?
Yes. LlamaIndex is released under the MIT License, according to its GitHub repository.
What are alternatives to LlamaIndex?
Similar tools include LangGraph, CrewAI, Haystack, DSPy, BaseAI and Letta.
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