Elon Musk has placed one of the AI industry’s largest infrastructure bets on a single square of silicon. During SpaceX’s first public earnings call, Musk said the company plans to build its computing infrastructure “exclusively” on Nvidia hardware, praising the chipmaker’s forthcoming Vera Rubin architecture as the best AI computing platform available. He also suggested SpaceX could receive a significant share of Nvidia’s GPU output next year, according to Business Insider. The announcement sent Nvidia shares higher, but its significance stretches beyond another market-moving Musk endorsement. SpaceX’s decision illustrates how the AI infrastructure race is pushing even the wealthiest companies toward a difficult trade-off: concentrating spending with the supplier that offers the strongest complete platform while accepting greater exposure to its pricing, product schedule, and supply chain. Nvidia is selling an ecosystem, not just a chip SpaceX’s commitment reflects Nvidia’s most formidable advantage. The company does not merely sell graphics processors. It supplies an increasingly integrated computing system encompassing processors, networking equipment, software libraries, development tools, and technical support. That breadth makes Nvidia difficult for …