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Podqi study: Perplexity cites risky retail sites in 15% of answers

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Podqi study: Perplexity cites risky retail sites in 15% of answers

3 Key Points

  1. What happened

    Podqi tested ChatGPT, Gemini, and Perplexity with shopping questions on 151 brands, including Lululemon and Birkenstock; across 6,795 answers, all three cited risky sites, with Perplexity worst at 15 percent.

  2. Why it matters

    Shoppers researching products or hunting holiday deals risk being steered toward imposters or dead domains, especially for smaller brands, where risky sites appeared about twice as often as for larger companies.

WHO IT HITSHoliday shoppers using chatbots to find where to buy a product, and the brands and retailers whose names get attached to impostor sites, are most directly exposed; smaller brands appear especially at risk.

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Context & Analysis

Podqi crafted its own prompts rather than using real user conversations, and ran them through a tool that tracks AI answers across chatbots over two testing periods in September. The patterns it found were uneven: Gemini surfaced risky sites least often, at 4 percent of answers, while ChatGPT sat at 8 percent and Perplexity at 15 percent. The type of question mattered too — AI displayed risky sites more often when asked about regional brand websites, and the engines at times listed fake regional sites for brands that have none. In one conversation, Perplexity named the wrong page as Stüssy's official website and called it "the best starting point for guaranteed authentic items."

Google spokesperson Jessica Levis Boord said Gemini performed best among the products tested and that links to sources are displayed alongside responses to help people verify information. OpenAI spokesperson Taya Christianson said the company is continuing to improve safeguards to make potentially deceptive sites less likely to appear in shopping-related results. Perplexity spokesperson Jesse Dwyer said Perplexity never claims to be 100% accurate but is the only company relentlessly focused on it.

FAQ
Which chatbot performed worst in the Podqi study?
Perplexity, which showed risky sites in 15 percent of answers.
What counts as a risky site in the study?
Fake websites impersonating real retailers or selling knockoffs, old brand domains reregistered by someone else, or dead sites someone else could purchase and reuse.
Did the chatbots warn users about risky sites?
ChatGPT warned about risky sites it surfaced 24 percent of the time, the best of the three.
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