Tesla Made $573 Million in Sales From SpaceX and xAI Last Year

Tesla Inc. generated more than half a billion dollars in revenue last year from selling products to two of Elon Musk’s other companies, the carmaker disclosed in an amended annual filing.

The bulk of the sales — about $430.1 million — came from doing business with xAI, Musk’s artificial intelligence startup, Tesla first disclosed in January. In an amended filing uploaded Thursday, the automaker added that it also recognized another $143.3 million in revenue from the billionaire’s closely held rocket manufacturer SpaceX.

Tesla didn’t provide the latter figure in its initial annual filing released in January. Earlier this month, ...