I Challenged My AI Clone to Replace Me for 24 Hours

New AI voice and video tools can look and sound like you. But can they fool your family—or bank?

WSJ’s Joanna Stern replaced herself with her AI twin for the day and put "her" through a series of challenges, including creating a TikTok, making video calls and testing her bank's voice biometric system.


00:00 | How to make an AI video and voice clone

02:29 | Challenge 1: Phone calls 

03:36 | Challenge 2: Create a TikTok 

04:47 | Challenge 3: Bank Biometrics

06:05 | Challenge 4: Video calls 

06:45 | AI vs. Humans 

Wall Street Journal
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