Meta has abruptly frozen all hiring in its artificial intelligence division last week as part of a broader restructuring of its "Superintelligence Lab," according to people familiar with the matter who spoke to The Wall Street Journal.

Apple's AI infrastructure head, Frank Chu, is leaving to join Meta's Superintelligence Labs. This follows a trend of high-profile departures from Apple, as Meta ramps up its AI recruitment efforts.

Meta Platforms Inc. is hiring another key Apple Inc. artificial intelligence executive, even as the social networking company prepares to slow its recruitment, according to people familiar with the matter.