xAI Scales Colossus Cluster to 200,000 GPUs: Grok 3 Training Reaches Final Validation Epoch

# xAI Colossus: The World's Most Powerful AI Training Facility

xAI has completed the expansion of its Colossus supercomputer to over 200,000 liquid-cooled accelerators. Grok 3 training has entered its final alignment and reinforcement learning stages, featuring deep integration with the real-time social knowledge graph.