Musk confirms Grok 'upgrades' as users notice dramatic speed boost

elonmusk · x · 2026-09-28

Elon Musk posted a terse "Upgrades" in response to users noticing that Grok suddenly feels much faster today, indirectly confirming an xAI upgrade. No model version or benchmark details were given, but the official nod suggests an underlying model or inference-stack update.

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