Elon Musk’s SpaceX has agreed to invest $2 billion in xAI, investors close to the companies said, nearly half of the Grok chatbot maker’s recent equity raise.

SpaceX is investing $2 billion into Elon Musk’s artificial intelligence startup, xAI, almost half of the $5 billion the company just raised through an equity round organized by Morgan Stanley, according to The Wall Street Journal.