Microsoft, Nvidia to Face US Antitrust Probes Over AI Moves

  • Inquiries take aim at two of world’s most valuable companies
  • Microsoft’s OpenAI partnership already facing probes in UK, EU

Kevin Scott, right, and Sam Altman at the Microsoft Build event in Seattle, Washington on May 21.

Photographer: Chona Kasinger/Bloomberg
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The US is opening antitrust investigations into two of the world’s most valuable companies, Microsoft Corp. and Nvidia Corp., over their dominance of the rapidly emerging field of artificial intelligence, according to people familiar with the matter.

Microsoft has poured more than $13 billion into its partnership with OpenAI, tapping the startup’s generative-AI technology for the Bing search service, Edge internet browser and Windows. Nvidia, the world’s most valuable chipmaker, has acknowledged allocating its chips to customers it deems most likely to use them quickly, prompting concerns that it has too much power over the market for cutting-edge AI semiconductors.