Microsoft's AI, Apple's new iPads, and Mark Zuckerberg's Threads vs. Elon Musk's X: Tech news roundup

Plus, more from the DOJ's landmark antitrust trial against Google

This week, reports surfaced that Apple is developing its own AI chips to sit in data centers and power AI applications. While there are few details on that project, Apple did release details about its new chip, the M4, for its latest iPad Pro that’s capable of efficiently running AI workloads.

In the meantime, Reddit gave a sunny first-quarter earnings report that sent its stock price soaring 15%, and Bloomberg kicked off its annual tech conference in San Francisco on Thursday.

Quartz rounds up the biggest tech news stories of the week.

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Microsoft is reportedly training its own artificial intelligence model to compete with models from Google and OpenAI, which it has a multi-year, multibillion-dollar partnership with.

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When Apple demoed its iPhone in 2007, the default search engine for its web browser, Safari, was Yahoo!, not Google.

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The U.S. Department of Justice (DOJ) and Google wrapped up closing arguments in a potentially historic antitrust lawsuit last week. The DOJ has released a 370-page slideshow supporting its case that Google holds a monopoly over the search engine market — and offered a revealing look at the business maneuvers of the digital giant.

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In an unusual move, Reddit took questions from its very own users during an earnings call this week.

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Apple is reportedly developing AI chips in partnership with Taiwan Semiconductor Manufacturing Co. The initiative code-named Project ACDC, for “Apple Chips in Data Center,” would allow Apple to run artificial intelligence software on its own chips in data centers, according to The Wall Street Journal.

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Apple on Tuesday announced its latest iPad Pro with a new chip that it promises will majorly boost the efficiency of AI applications run on the device.

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Reddit, the cheeky social media platform that serves as a bridge for thousands of forums, is having a better-than-expected inaugural earnings debut as a public company.

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Premier chipmaker Nvidia has been on a streak this year due to the artificial intelligence boom, but not all of its investors are fully buying into the hype.

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Cybersecurity startup Wiz said this week that it had raised $1 billion in a funding round led by Andreessen Horowitz, Lightspeed Venture Partners, and Thrive Capital.

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Microsoft’s multi-billion dollar bet on artificial intelligence keeps growing — this time with a data center in Wisconsin.

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The multi-billion dollar effort to bring chip manufacturing back to the U.S. is projected to boost domestic chipmaking capacity by triple, a new report says.

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Meta executive Chris Cox wasn’t braggy about Threads’ recent dominance over Elon Musk’s X during the Bloomberg Technology Conference on Thursday.