studies
We ask the major AI engines which businesses they recommend in Vienna, and we disclose the data, the methodology and the exact questions.
🇩🇪 Deutsche Versionhow often do the four AIs agree? almost never.
Our overall index across all studies: four industries, ~110 recommended businesses, and only a handful named by all four AIs. The single number that shows how fragmented AI recommendations are.
Real estate · district studywhich agent does AI recommend, district by district?
Six Vienna districts, the same question, four AIs, and six completely different agent lists. Why the city-wide names appear nowhere, and who still wins everywhere.
Animal healthwhich vet does AI recommend?
Four AIs, 16 different practices, none in all four. We fact-checked every recommendation, from the address to the website, and showed where AI gets it wrong.
Tax advisorywhich tax advisors does AI recommend?
Four AI engines, over 30 firms, and not a single one named by all four. How the AIs split into two camps, and why.
Diningwhich restaurants does AI recommend?
ChatGPT, Perplexity, Gemini & Google's AI Mode tested: 31 venues named, only one recommended by all four.
Your industry missing?
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