Elon Musk had sharp words for a private-sector partnership touted this week by the Trump administration to hasten the development of artificial intelligence infrastructure. “They don’t actually have the money,” Musk said of two of the participants in the $500 billion initiative, OpenAI and SoftBank, on his social media site X.

Billionaire Elon Musk has already secured a White House email address and office space, clearing the way for him to launch the cost-cutting effort he’s called the Department of Government Efficiency.

Elon Musk was itching to get to work at his new US government department dedicated to slashing red tape and bureaucratic spending. As Donald Trump became president, Musk’s axe had already fallen on his first victim: Vivek Ramaswamy,