Fool.com contributor Parkev Tatevosian compares Palantir (PLTR -0.33%), Nvidia (NVDA -0.46%), and Taiwan Semiconductor (TSM 1.61%) 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.