OpenAI Races to Quell Concerns Over Its Finances

The A.I. company faced pushback after a top executive raised the idea of government aid, amid concerns that the A.I. industry is headed toward a dangerous bubble.

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How San Francisco Mayor Daniel Lurie Avoided Trump’s Enforcement Surge

Daniel Lurie, the San Francisco mayor, relied on powerful tech executives and his own low-key approach to help his liberal city escape a rush of federal agents.

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OpenAI Unveils Atlas Web Browser Built to Work Closely With ChatGPT

The new browser, called Atlas, is designed to work closely with OpenAI products like ChatGPT.

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OpenAI Inks Deal With Broadcom to Design Its Own Chips for A.I.

After signing multibillion-dollar agreements to use chips from Nvidia and AMD, OpenAI plans to deploy its own designs next year.

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OpenAI Completes Deal That Values It at $500 Billion

With the agreement, OpenAI becomes the world’s most valuable privately held company, surpassing the rocket maker SpaceX.

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What Exactly Are A.I. Companies Trying to Build? Here’s a Guide.

Amazon, Microsoft, Google, Meta and OpenAI plan to spend at least $325 billion by the end of the year in pursuit of A.I. We explain why they’re doing it.

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OpenAI Takes Big Steps Toward Its Long-Planned Reorganization

The start-up reached a tentative deal with Microsoft, its biggest investor, and said it would give a $100 billion stake to the nonprofit that manages it.

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Melania Trump Has a Warning for Humanity: ‘The Robots Are Here’

The first lady has shown herself to be captivated by the wonders and dangers and opportunities of modern technologies.

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Elon Musk’s xAI Sues Apple and OpenAI Over Claims It Is Being Shut Out

Mr. Musk’s artificial intelligence company, xAI, claimed that its Grok chatbot app was being artificially suppressed in Apple’s App Store.

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Elon Musk’s xAI Sues Apple Over Claims It Favors OpenAI

Mr. Musk’s artificial intelligence company, xAI, claimed that its Grok chatbot app was being artificially suppressed in Apple’s App Store.

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