According to Sam Altman, OpenAI’s biggest rival isn’t Google, it’s Apple. WSJ reporter Rolfe Winkler says the AI startup has big ambitions to displace the App Store by growing into an operating system powerful enough to let you access the apps you use every day, from Uber to Instacart, without ever leaving ChatGPT. Plus, WSJ personal tech columnist Nicole Nguyen breaks down how AI might help you (finally) stick with your fitness resolutions. Patrick Coffee hosts.

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