Mexico
Materiales de construcción
n = 48 answers · 48 prompts · Oct 27, 2026 Open T Leader Topciment 4.2% United States
Building Materials
n = 60 answers · 60 prompts · Oct 28, 2026 Open PL Leader Prime-Line 1.4%
Spain
Materiales de construcción
n = 48 answers · 48 prompts · Oct 28, 2026 Open CS Leader Cerámicas Sampedro 3.6%
What's different Generated from the numbers below; each line only appears when both sides have enough data.
AI demand is 9.7× higher in the US (1.3M asks a month) than in Spain (132.6K). ChatGPT shows ads in 43.3% of these answers in the US vs 0% in Spain. A different brand leads in each country: Topciment in Mexico, Prime-Line in the US and Cerámicas Sampedro in Spain. No brand appears in the top 5 of more than one country: each market has its own winners. A different store leads the shopping carousels in each country: Amazon in Mexico, Home Depot in the US and Leroy Merlin in Spain. Side by side Metric
MX Mexico MXN
US United States USD
ES Spain EUR
no change 0%
Peak: Sep 2026
25%
AI Mode 33.3% · ChatGPT 16.7%
25.9%
AI Mode 25% · ChatGPT 26.7%
23.3%
AI Mode 30% · ChatGPT 16.7%
Brands AI recommends Top 5 per country, by share of brand mentions.
Stores in the shopping carousels Who sells the products AI shows, by share of product cards.
Every sampled niche gets the same two prompts in every country, in its language: a short product search in Google AI Mode and a buying question in ChatGPT. Money stays in each country's currency. CPCs for Spain and the United States are converted from MXN with the European Central Bank reference rate of 2026-10-28. How we measure
n = 156 answers156 promptsOct 28, 2026
