Meta Platforms reportedly has frozen hiring in its high-profile artificial intelligence division as investors grow concerned about the unit's surging costs.

The freeze went into effect last week, and it’s not clear how long it will last, The Journal’s sources say. Meta is still likely working through its reorg, which split its AI unit, Meta Superintelligence Labs,

Meta Platforms reportedly called a halt to its AI hiring binge after sniping more than 50 engineers and researchers from rivals.