OpenAI’s ‘Sky’ sounds a lot like ScarJo, according to voice researchers

/ Researchers also found similarities with Anne Hathaway and Keri Russell, NPR reports.

By Wes Davis, a weekend editor who covers the latest in tech and entertainment. He has written news, reviews, and more as a tech journalist since 2020.

Scarlett Johansson at Cannes in 2023. Photo: Laurent Koffel / Gamma-Rapho via Getty Images

Researchers at Arizona State University found that Scarlett Johansson’s voice does indeed sound like “Sky,” OpenAI’s currently discontinued GPT-4o voice, according to NPR, which commissioned the comparison. After using AI models developed to analyze vocal similarities to compare Sky to roughly 600 other actresses, the lab reportedly found Johansson’s voice was “more similar to Sky than 98%

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