SpaceX has invested $2 billion in Elon Musk’s AI venture xAI, according to The Wall Street Journal. The investment makes up nearly half of the company's recent $5 billion equity round. The investment marks SpaceX’s first capital infusion into xAI and one of its largest into another firm,

A successful mission would show real progress in Starship’s reusability and overall system reliability—two things critical to SpaceX’s long-term plans.

In a familiar critique of corporate structures, Musk also weighed in on the ideal environment for fostering such long-term, existentially focused AI. He declared, “For long-term optimization, it is better to be a private than a public company, as the latter is punished for long-term optimization beyond the reward cycle of stock portfolio managers.”