<ul data-eligibleForWebStory="false">SpaceX is planning to invest $2 billion in Elon Musk's xAI, according to a Wall Street Journal report.The investment is part of a larger $5 billion equity raise by xAI, with an additional $5 billion in debt.This would mark SpaceX's first investment in xAI and reflects Musk's initiative to integrate his companies to support each other.Despite recent controversy, Tesla plans to implement xAI's chatbot, Grok, in its vehicles.