Coverage

Comparison with other scholarly data sources

How does OpenAlex compare to other scholarly data sources like Dimensions, Scopus, Google Scholar, etc.?

That is a big question! There are many ways to measure this, and we encourage you to try out the different options to see what is best for you.

Here we offer a comparison of some of the different options available, across just a few aspects:

	Number of works	Open Access works	Citations	Price	Data Openness	Org structure
OpenAlex	248M	52M	1.9B	Freemium	Fully open, CC0 license	Non-profit
Scopus	90M	20.5M (ref)	1.8B	Subscription	Closed	For Profit
Web of Science (core)	89M (ref)	24M (ref)	1.8B	Subscription	Closed	For Profit
Dimensions	140M+	29M (ref)	1.7B	Freemium	Partly open, personal use	For Profit
Google Scholar	389M (estimated)	?	?	Free	Closed	For Profit
Crossref	145M	20M	1.45B	Free	Fully open, CC0 license	Non-profit