Sam Altman’s Younger Sister Files Lawsuit Claiming He Sexually Abused Her

OpenAI’s chief executive and founder denies the allegations, which are similar to claims his sister has long made online.

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OpenAI Details Plans for Becoming a For-Profit Company

OpenAI said it will be restructured as a public benefit corporation, and the nonprofit that controls the organization would receive shares in the new company.

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Is the Tech Industry Nearing an A.I. Slowdown?

Companies like OpenAI and Google are running out of the data used to train artificial intelligence systems. Can new methods continue years of rapid progress?

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How OpenAI Plans to Move From Being a Nonprofit

As the maker of ChatGPT battles Google and Meta for A.I. supremacy, it’s also fighting to end control by a nonprofit board.

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Tech Industry and CEOs Curry Favor With Trump Ahead of His Inauguration

It was a week of frenzied activity, as Silicon Valley billionaires and their companies brandished checks and compliments for the President-elect.

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OpenAI Fires Back at Elon Musk’s Lawsuit

The artificial intelligence start-up argues that Mr. Musk is trying to hamstring its business as he builds a rival company.

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Sam Altman of OpenAI to Donate $1 Million to Trump Inauguration

Mr. Altman and OpenAI have recently hired key executives who previously worked for the Clinton, Obama and Biden administrations.

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DealBook Summit: Building Trust in an Age of Distrust

At this year’s DealBook Summit, there was a sense that trust was becoming harder to come by and that the rules for how people judge the truth had shifted.

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