Boost your skills with Growth Memo’s weekly expert insights. Subscribe for free ! Most teams talk about “AI visibility” like it’s one thing. New data on 3.7 million citations across ChatGPT, Perplexity, and Google AI Overviews suggests it isn’t. And the gap between the three engines is wider (and more strategically important) than your dashboard likely admits. Today’s memo breaks down: Why a blended AEO score hides the only finding that matters. Which page types and domains actually travel across engines. The shift from measuring AI presence to measuring portability. One of the biggest differences between AEO and SEO is that AEO plays on more platforms . Omnia data shows across multiple samples that only 2.35% to 2.45% of cited URLs appeared in ChatGPT, Perplexity, and Google AI Overviews for the same prompt. 91% of citations appeared in only one engine. Conclusion: AI visibility is not a single leaderboard. Instead, it’s three different distribution systems that sometimes overlap and usually do not.…