<ul data-eligibleForWebStory="false">Elon Musk’s SpaceX is investing $2 billion in the artificial intelligence startup xAI.This investment is close to half of xAI’s recent equity raise and is one of SpaceX's largest investments in another company.Musk has been supporting xAI by merging it with his social media platform X and focusing on training the new Grok chatbot.SpaceX's investment in xAI may pose risks as the company is already spending billions on developing the experimental new rocket called Starship.