Study finds AI shopping assistants wrong 86% of the time on prices and specs
A study by Product.ai tested free and paid versions of four AI models—ChatGPT, Gemini, Perplexity, and Claude—on 220 shopping questions. The models provided incorrect or conflicting information in 86% of responses, with comparison questions wrong 97% of the time. Errors included outdated product listings, contradictory prices, and exaggerated specifications. For high-cost items like laptops,…
Key points
- Product.ai tested four AI models on 220 shopping questions, finding 86% of answers wrong or conflicting
- Comparison questions were wrong 97% of the time, with median price errors of $300 for high-cost items
- 10% of incorrect responses had errors of $500 or more, per the study’s researchers
Study: AI Shopping Assistants Are Wrong 86% of the Time
tech.co · 25 September 2026
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