An AI answer is a ranking, not a results page
On Google, a hundred links can coexist. A user scrolling down the page eventually finds you. In an AI answer there is no second page: three or four brands are named, one is remembered, and the rest do not exist for that user.
That is what makes competitive reading essential here, far more than in classic search. Your visibility is not simply low or high, it is taken. By identifiable players, on specific questions, for reasons that can be documented.
Competitor tracking answers three questions in order: who is cited, on what, and whether the gap is closing or widening.