Kieran’s Substack - The AI Marketing Generalist

Kieran’s Substack - The AI Marketing Generalist

Grok 4 is the smartest AI, but is it a good marketer? (Full Test)

We put Grok 4 through its marketing paces with three use cases designed to showcase the AI model's strengths.

Kieran Flanagan's avatar
Kieran Flanagan
Jul 17, 2025
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I put Grok 4 through its marketing paces with two use cases designed to showcase the AI model's strengths for marketing.

Grok 4 was released last week, and X was alive with hype - "it's nuts", "insane", "game changer", and all the other lingo that works great on YouTube.

It certainly performs incredibly well against all benchmarks.

But for all of us who wa…

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