Fool.com contributor Parkev Tatevosian compares Palantir (PLTR 0.17%), Nvidia (NVDA 2.16%), and Taiwan Semiconductor (TSM 2.86%) to determine which is the best artificial intelligence (AI) stock to buy now.

*Stock prices used were the afternoon prices of Feb. 27, 2024. The video was published on Feb. 29, 2024.