The next phase of AI will place different demands on hardware. Nvidia, the world’s most valuable firm, will face stiff competition from rival chipmakers https://www.economist.com/science-and-technology/2026/03/18/the-next-phase-of-artificial-intelligence-may-require-very-different-processors?taid=69bc3bfefec6580001a7f2da&utm_campaign=trueanthem&utm_medium=social&utm_source=voante