Testlabor
@testerlabor · Jan 29, 2026
Grok 5 is currently training at COLOSSUS 2 - the largest and most powerful AI Supercluster in the world. The most interesting and powerful AI outcome is most likely.
Elon Musk
@elonmusk
We had some power uptime issues due to the extremely cold weather and some construction equipment taking out power lines.
As a result, Grok 4.20 training is a few weeks delayed to mid Feb.
08:27 AM · January 30, 2026 · 383.8K views
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