https://s3h.com/tags/xai/ Recent content in XAI on S3H.com Hugo en-us Mon, 04 May 2026 00:00:00 +0000 https://s3h.com/11-is-not-a-bug.-its-the-starting-gun./ Mon, 04 May 2026 00:00:00 +0000 https://s3h.com/11-is-not-a-bug.-its-the-starting-gun./ <p>xAI is running its 550,000-GPU Colossus fleet at roughly 11% model FLOPs utilization. An internal memo from infrastructure lead Michael Nicolls confirmed the figure and set a target of 50% — a number that sits at the high end of an industry range where even the best operators, Meta and Google, are only achieving 43–46%. For a company that built the world&rsquo;s largest AI supercomputer in 122 days, the software stack is still catching up to the hardware.</p>