LlamaIndex
Data framework for LLM apps.
Open sourceVerified FreeAPIOpen source
100 · Fresh2026-09-18
Live preview of https://www.llamaindex.ai
TL;DR
LlamaIndex connects your data to LLMs for retrieval-augmented generation; open source with managed cloud.
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FAQ
Is LlamaIndex free?
LlamaIndex has a machine-verified free tier (no card required).
Does LlamaIndex have an API?
Yes, LlamaIndex offers an API.
What are alternatives to LlamaIndex?
Alternatives include Polymer, Cassidy, Chatbase.