GROK 5 ALREADY TRAINING ON COLOSSUS 2, WORLD'S BIGGEST AI SUPERCLUSTER Word straight from @xai : Grok 5 is in the fire right now, running on the newly expanded Colossus 2, the largest, most monstrous GPU cluster humanity's ever built. Hundreds of thousands of chips screaming in unison, pushing the absolute edge of what's possible. Source: @XFreeze