It also sounds quite a bit like Elon Musk’s AI startup, xAI. Musk’s space company is SpaceX, while Bezos’ is called Blue Origin. Musk owns social media company X, formerly Twitter, which is now part of xAI. Bezos owns media company The Washington Post. In other words, Bezos and Musk remain engaged in a billionaire version of “keeping up with the Joneses.”