32.2% of the 500 brands whose websites rank most often in Google search are not named in a single one of 56,068 AI answers. At the top of the AI Visibility Index, Walmart is named in 1,315 answers, followed by Capital One and American Express.
Source: Suff Digital analysis of 500 brands across 56,068 AI answers · answers from ChatGPT, Gemini, Perplexity and Google's AI features, September 2026
Source: 32.2% of the 500 Brands That Rank Most on Google Are Never Named in AI Answers - Suff Digital