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September 1, 2026

AI Visibility Index: US Retail Store Leaderboard, Sep 2026

AI Visibility Index: US Retail Store Leaderboard, Sep 2026

Methodology

Data is from the September 2026 EMARKETER AI Visibility Index. In September 2026, EMARKETER analyzed 11,250 ChatGPT recommendations and 11,250 Google Gemini recommendations in response to US-based interactions across 23 retail store categories: everyday essentials, groceries, beauty products, electronics, home improvement, furniture and home, sporting goods and outdoor, pet supplies, eyewear and optical, clothing, footwear, gifts, toys, consumer health, jewelry and accessories, kitchenware and cookware, baby gear, luggage and travel accessories, craft and hobby supplies, books, party and seasonal supplies, office and school supplies, and auto parts. Each interaction asked ChatGPT and Google Gemini for product recommendations using standardized prompts (e.g., "best store to buy skincare products," "store to buy furniture for first apartment"). Prompts varied by product type, product attribute, consumer need, target audience, and price tier to capture a representative range of consumer questions for each category. Combined figures weight each tool's data by the number of monthly US users EMARKETER forecasts it will have in 2026 (ChatGPT 118.4 million; Google Gemini 89.6 million).