LlamaIndex vs LangChain
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.
LlamaIndex and LangChain 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. LlamaIndex is listed as open source; LangChain as freemium.
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
- LlamaIndex or LangChain, 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 LlamaIndex or LangChain cheaper?
- LlamaIndex is listed as open source and LangChain as freemium. Tier prices are on each tool's own page.