July 12 (Reuters) - SpaceX has committed $2 billion to xAI as part of a $5 billion equity round, deepening the ties between tech billionaire Elon Musk's ventures as his artificial intelligence startup races to compete with rival OpenAI, the Wall Street Journal reported on Saturday.

SpaceX has invested $2 billion in Elon Musk’s AI venture xAI, according to The Wall Street Journal. The investment makes up nearly half of the company's recent $5 billion equity round. The investment marks SpaceX’s first capital infusion into xAI and one of its largest into another firm,