On October 5, 2025, the Wall Street Journal reportes that xAI is committing over $18 billion to acquire approximately 300,000 additional NVIDIA GPUs, bringing the total for Colossus 2 to around 550,000 chips. This aligns with broader announcements from Musk on X, where he has repeatedly described Colossus 2 as the world’s first gigawatt-scale AI training cluster, with ambitions to scale toward 1 million chips in the near term.
Meta’s Llama 4 cluster targets 600MW around the end of 2025.

Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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