In today’s episode of AI Deep Dive, we break down a wave of major AI announcements. Microsoft introduces a new lineup of lightweight yet high-performance models aimed at efficient reasoning. Amazon unveils Nova Premier, its most advanced AI model yet, built for complex multimodal tasks. Meanwhile, Sam Altman’s Worldcoin project reveals a portable human identity verifier for the AI age. We also explore how Visa and Mastercard are now allowing AI agents to shop online for users — marking a new era in digital commerce.