Highlights Elon Musk aims to centralize AI across SpaceX, Tesla, and X with Grok becoming the intelligence behind all his companies. In a bold step toward fusing his ventures under one AI-powered umbrella, Elon Musk has orchestrated a $2 billion investment from SpaceX into his artificial intelligence startup, xAI. According to a report by Reuters, the move signals Musk’s ambition to embed AI at the heart of his operations — from space travel and electric vehicles to social media and robotics. xAI, which merged with Musk’s social media platform X (formerly Twitter) earlier this year, is now collectively valued at around $113 billion. The merger and subsequent funding round, led by Morgan Stanley in June, reflect growing investor confidence in Musk’s long-term blueprint: using AI as the unifying thread for his empire. At the core of this strategy lies Grok, xAI’s flagship chatbot. Already active in customer support roles for Starlink — SpaceX’s satellite internet service — Grok is being tested for integration into Tesla’s humanoid robot, Optimus. Musk envisions Grok as a single AI brain powering his diverse ecosystem. "In simple terms, one AI that can work across rockets, robots, and social media," the report summarizes. This $2 billion injection is the largest investment SpaceX has made outside its aerospace endeavours. Traditionally focused on rockets and satellites, SpaceX has occasionally supported Musk's other ventures. Notably, it helped finance the early days of Tesla and contributed $1 billion toward Musk’s acquisition of Twitter — a loan that was later repaid. However, this strategic bet comes with financial risk. SpaceX is already pouring significant resources into its Starship program — a colossal rocket initiative facing development hurdles and test delays. Despite holding over $3 billion in cash reserves, managing two capital-intensive projects simultaneously could strain resources and heighten scrutiny from investors. Nevertheless, Musk remains undeterred. His vision is to create a seamless AI infrastructure capable of supporting everything from interplanetary missions to autonomous vehicles and digital communication platforms. While Grok has potential, scaling its performance across such vastly different domains is a monumental challenge, especially amid lingering concerns about its reliability and accuracy. Still, for Musk, the unification of AI through Grok could be the master key — unlocking the future of his entire business empire.