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.

Elon Musk weighed in on one of the first business investment unveilings by President Donald Trump Wednesday, in a move that could suggest friction at the heart of the new administration's focus on America's leadership in the global technology race.