Welcome to the fourth edition of the Al Index Report!This year we significantly expanded the amount of data available in the report, worked with a broader set of external organizations to calibrate our data, and deepened our connections with Stanford's Institute for Human-Centered Artificial Intelligence(HAl).

The Al Index Report tracks, collates, distills, and visualizes data related to artificial intelligence. Its mission is to provide unbiased, rigorously vetted, and globally sourced data for policymakers, researchers, executives, journalists, and the general public to develop intuitions about the complex field of Al. The report aims to be the world's most credible and authoritative source for data and insights about Al.