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Testing suggests Google's AI Overviews tell millions of lies per hour

Ars Technica AI April 7, 2026
Testing suggests Google's AI Overviews tell millions of lies per hour
AI Summary— plain English for professionals

# Google's AI Search Answers Are Wrong About 1 in Every 10 Times Google's new AI-powered search feature, which summarizes answers at the top of results pages, gets the facts right roughly 90% of the time—but that seemingly small error rate means it's generating tens of millions of wrong answers every single day across all searches. Researchers tested it with over 4,000 fact-based questions and found it has improved slightly since its rocky launch last year, though it still regularly serves up incorrect information to users. The takeaway: while AI Overviews is usually helpful, you should still verify important facts rather than treating its answers as completely reliable.

Looking up information on Google today means confronting AI Overviews, the Gemini-powered search robot that appears at the top of the results page. AI Overviews has had a rough time since its 2024 launch, attracting user ire over its scattershot accuracy, but it's getting better and usually provides

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