On January 6, Eastern Time, xAI, Elon Musk's artificial intelligence startup, raised $20 billion in its Series E funding round, exceeding its original target of $15 billion. Key investors in this round include Fidelity and the Qatar Investment Authority. Strategic investors NVIDIA and Cisco continue to support xAI's rapid expansion of its computing infrastructure and assist in building the world's largest GPU cluster. xAI stated that looking ahead, Grok 5 is currently in testing, and they are working on launching innovative consumer and enterprise products that leverage the powerful capabilities of Grok, Colossus, and X. This latest funding will accelerate its global infrastructure build-out and drive the rapid development and deployment of transformative AI products. According to Bloomberg, this funding round was months in the making, with NVIDIA originally planning to contribute up to $2 billion. xAI did not disclose the specific investment amounts from each investor, nor did it differentiate between debt and equity components in this round. Previously, Musk revealed that xAI is planning to expand its large data center campus in Memphis, where the company will acquire a third building, increasing its AI computing power to nearly 2 gigawatts.