Part I

A Singular “AI Visibility Check” Is Noise

Brands shouldn’t run a one-off “AI check.” The major engines agree with each other only about one-third of the time — so a single snapshot from a single engine is statistical noise, not a measurement.

⅓

of the time — how often the AI engines agree on recommended brands

Measure across multiple engines, not one.
Measure across repeated runs, not one snapshot.
Measure across multiple buyer phrasings, not one prompt.

Table showing brands and sources per engine: Google AI Overviews, AI Mode, Gemini, ChatGPT, Perplexity, Copilot — engines agree only a third of the time — There is no single “AI check” — six engines, source counts from 5 (Copilot) to 25 (Google AI Mode), agreeing only a third of the time.

Source: Fractl research: “Where AI Recommendations Actually Come From”