Robots & Artificial IntelligenceColossus: World’s biggest supercomputer aims 1 million GPUs to shake AI world Posted on May 19, 2025 by Administrator Elon Musk’s intelligence company xAI has achieved a significant milestone with its Colossus supercomputer operating 200,000 Nvidia graphics processing units (GPUs). The company says that Colossus has been built in just 122 days (around four months), as compared to the estimates of 24 months or two years. xAI then took 92 more days to bring the number of GPUs to 200,000.