Elon Musk, the world’s richest man, says he’s living in an Airstream trailer to oversee xAI’s biggest expansion yet

Elon Musk, the world’s richest man, has some new digs—an Airstream trailer in Memphis, parked just steps from xAI’s most ambitious project yet.

Musk, who has a net worth of $917 billion according to the Bloomberg Billionaire Index and became the world’s first trillionaire for 12 days in June, said Monday he was in his new “palace” as he spoke during a taping of the All-In podcast alongside Gwynne Shotwell, the president and chief operating officer of SpaceX.

Shotwell, for her part, praised Musk’s latest unusual home as an example of his long history of committing fully to projects he cares about throughout his career.

“This is Elon, by the way, doing what people don’t believe he does. He sleeps on the factory floor. He’s in Memphis, helping build buildings,” she said during the interview.

Musk is in Memphis as xAI races to expand Colossus, a massive supercomputer center that has provided it with so much computing power that it has struck deals to provide excess capacity to Google and Anthropic for billions. The company started building Colossus in 2024 to provide compute for Grok, xAI’s large language model, and the initial build reportedly took only 122........

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