LangChain vs LlamaIndex
Side by side on what is actually measured: monthly searches for each name, the 3-month trend, and pricing. A cell is highlighted only where one tool is genuinely ahead.
LangChain and LlamaIndex compared on the figures this directory actually measures: pricing, category, and real monthly search demand for each name. LangChain is the more searched of the two: about 51,222 searches a month against 7,129 for LlamaIndex, roughly 7 times as many. LangChain is listed as freemium; LlamaIndex as open source.
Search volume says how many people look for a tool by name, which is a reasonable proxy for how established it is. It says nothing about which one suits your work. The table below sets out what each is for, and each tool's own page covers its features, pricing tiers and the cases it handles badly.
Frequently asked questions
- LangChain or LlamaIndex, which is better?
- Neither is better in general. LangChain is searched for more often, which reflects how established it is rather than how well it would suit you. Compare them on the table below and on what each one is specifically not good at, which is on their individual pages.
- Is LangChain or LlamaIndex cheaper?
- LangChain is listed as freemium and LlamaIndex as open source. Tier prices are on each tool's own page.