LlamaIndex — open-source AI Infrastructure

Updated 2026-09-03 · tool · AI Infrastructure · rev 1 · structured JSON

RAG/document-centric

• Open source: yes (MIT)
• Self-hostable: yes
• Pricing model: free
• Best for: Developers building LLM/agentic applications who need to augment LLMs with private data via ingestion and retrieval.
• Last verified: 2026-09-04

Is LlamaIndex open source?

Yes, LlamaIndex is open source under the MIT license.

How much does LlamaIndex cost?

LlamaIndex is free to use.

Can I self-host LlamaIndex?

Yes, LlamaIndex can be self-hosted (the source is available under the MIT license).

• Source: github · github.com/run-llama
• Repository: https://github.com/run-llama/llama_index

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