xAI is facing an exodus of top employees. Two cofounders and several other employees have announced their departures from Elon Musk's AI startup in the past few days. It comes after Musk announced last week that xAI would merge with his rocket company, SpaceX , in a deal the billionaire said would help the joint entity build a network of AI data centers in space. SpaceX is reportedly gearing up for a massive public offering later this year that could value the company at as much as $1.5