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xAI's 550K GPUs at Just 11% Utilization

xAI's 550K GPUs at Just 11% Utilization

xAI operates 550,000 NVIDIA H100/H200 GPUs in its Memphis Colossus cluster, but Model FLOPs Utilization (MFU) is only 11%, far below Meta's 43% and Google's 46%. President Michael Nicolls called it 'embarrassingly low' and targets 50% in months. The issue stems from software lags, data waits, and comms overhead in massive clusters.

NVIDIA Funds Murati's Lab for Vera Rubin AI

NVIDIA Funds Murati's Lab for Vera Rubin AI

NVIDIA partners strategically with Mira Murati's Thinking Machines Lab over multiple years. The lab introduces a 1GW-scale next-gen AI system 'Vera Rubin' for advanced model training and customizable platforms. NVIDIA provides major funding.

ITmedia AI+ (日本)MediaMar 10#ai-funding#supercluster