Meta Platforms and Alphabet are stellar buys right now.Artificial intelligence (AI) stocks are still must-owns right now. The industry is rapidly changing, and new technologies and initiatives are being announced daily. However, some of the best AI stocks aren't the ones you've never heard of; they've been doing it for quite some time.Among my top artificial intelligence picks that are also familiar names are Meta Platforms (META -1.73%) and Alphabet (GOOG 0.89%) (GOOGL 0.97%). Both companies have been invo ...