A SpaceX hangar and launch tower at NASA’s Kennedy Space Center in Florida, in a photo published in March 2021.

Credit: Jérôme Boursier on Unsplash

Anthropic is the “ Customer B ” that made up 34.5% of SpaceX’s third-quarter revenue, Bloomberg reports, overtaking the US government as its biggest client. Anthropic could spend up to $120.5B on SpaceX computing through 2029, but can cancel after early 2027.

Anthropic is SpaceX’s largest customer, accounting for more than a third of its revenue in the third quarter, Bloomberg reported on Thursday, citing a person familiar with the matter.

SpaceX said in a filing last week that about 34.5% of its quarterly revenue came from one client. The filing named it only as “ Customer B, ” a buyer of computing power from its AI unit, now called Super Intelligence.

That makes Anthropic a bigger customer than the US government, long SpaceX’s main source of income.…