OpenAI Employee Stock Sale Would Value ChatGPT Maker at $500 Billion

At $500 billion, OpenAI would become the world’s most valuable privately held company.

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Zuckerberg Again Overhauls Meta’s A.I. Efforts

Meta internally announced a new restructuring of its artificial intelligence division amid internal tensions over the technology, people with knowledge of the matter said.

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GPT-5 Backlash + Perplexity C.E.O. Aravind Srinivas on the Browser Wars + Hot Mess Express

“I think this was a growing up moment for OpenAI and the industry.”

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Elon Musk Threatens Lawsuit Against Apple Over Claims It Favors OpenAI

The billionaire said in posts on X that the consumer tech giant was violating antitrust laws by giving preferential treatment to OpenAI on the App Store.

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GPT-5 Arrives + We Try the New Alexa+

“Sam Altman in his remarks said that this is a major upgrade,” but he also said that “we’re not at A.G.I. yet.”

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OpenAI Unveils GPT-5, New AI Model, to ChatGPT Users

The A.I. start-up said its new flagship technology was faster, more accurate and less likely to make stuff up.

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OpenAI to Open-Source Some of the A.I. Systems Behind ChatGPT

In a major shift, the company is “open sourcing” two A.I. systems, freely sharing the technology with outside researchers and businesses.

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The Rise of Silicon Valley’s Techno-Religion

The Rationalists, a community focused on the risks of artificial intelligence, regularly gather with tech figures and other like-minded people in a complex that covers much of a city block.

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The Insider’s Guide to San Francisco’s A.I. Boom

The city is the tech industry’s hub for artificial intelligence, 30 miles north of the home of companies like Meta and Google.

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OpenAI Raises Another Funding Deal, From Dragoneer, Blackstone and More

The venture capital round values the ChatGPT maker at $300 billion, and underscores the fierceness of the A.I. money race.

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