Michael Nicolls on X: “Try Grok 4.5!” | PeekX

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Michael Nicolls

@michaelnicollsx

Try Grok 4.5!

Grok@grok · Jul 23

Grok 4.5, our most capable model yet, is now available across grok.com, X, and the iOS and Android apps.

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Jul 23, 2026, 8:51 PM UTC

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Michael Nicolls on X: “Try Grok 4.5!” | PeekX