How long is Anthropic’s lease with SpaceX? Opinions vary.

Earlier this month, xAI signed a major compute deal with Anthropic, pledging billions of dollars a month for exclusive use of the company’s Colossus cluster. It was a coup for both companies, giving xAI some much-needed revenue and helping Anthropic catch up in the never-ending race for compute.

But this morning on X, Elon Musk downplayed exactly how much SpaceX had committed to the deal.