On Tech: Et tu, Brute? What Elon Musk’s clash with Sam Altman is really about.
Plus, A.I. spending sets a record, with no end in sight.
On Tech
April 30, 2026

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A photo-illustration shows the heads of Sam Altman and Elon Musk seemingly almost buried in $100 bills.

Illustration by Ben Denzer; Photographs by Eric Lee/The New York Times, Anna Moneymaker/Getty Images

Et tu, Brute? What Elon Musk’s clash with Sam Altman is really about. →

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A.I. spending sets a record, with no end in sight. →

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A tech writer puts Google’s A.I. to the test as a trip planner. →

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The split between China and Silicon Valley just got wider. →

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Musk says he “was a fool” to provide OpenAI’s early funding. →

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Behind the A.I. boom, a boring business is soaring with better ads. →

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