US antitrust enforcers to investigate Microsoft, Nvidia, and OpenAI

US antitrust enforcers have decided to investigate the roles Microsoft, Nvidia and OpenAI have played in the artificial intelligence boom, according to people familiar with the pending actions.

The Department of Justice will launch an investigation of chipmaker Nvidia, while the Federal Trade Commission will scrutinise close business partners Microsoft and ChatGPT-maker OpenAI, according to two people who were not authorised to publicly discuss details of the investigations and spoke to The Associated Press on condition of anonymity.