In a court filing, Mr. Musk said he and other investors would pull their $97.4 billion bid if OpenAI withdrew its plan to change its structure.

The company answered the billionaire’s offer in a legal filing, accusing him of hypocrisy.

The billionaire is leading a group of investors in the unsolicited offer, which complicates the start-up’s plan to raise more money.

The tech mogul is unlikely to win. But his goal may be more about making life difficult for the A.I. start-up and its leader, Sam Altman.

After helping President Trump get elected, Elon Musk was poised to dominate the country’s A.I. policies. Then Mr. Altman sneaked into the White House.

The Japanese conglomerate SoftBank would invest up to $40 billion in the maker of the chatbot ChatGPT.

“The way to control government is to control the computers”

The tool, called Deep Research, arrives days after OpenAI released another one, which shops for groceries and books restaurant reservations.

Most large employers play down the likelihood that bots will take our jobs. Then there’s Klarna, a darling of tech investors.

DeepSeek’s success embodies China’s ambitions in artificial intelligence. But it could also threaten the grip on power the nation’s leaders hold.

Most large employers play down the likelihood that bots will take our jobs. Then there’s Klarna, a darling of tech investors.

Operator, a new computer-using tool from OpenAI, is brittle and occasionally erratic, but it points to a future of powerful A.I. agents.

“DeepSeek is a really odd duck.”

Operator, a new computer-using tool from OpenAI, is brittle and occasionally erratic, but it points to a future of powerful A.I. agents.

A new investment from the Japanese conglomerate would be separate from the $100 billion tied to a project announced at the White House last week.

The San Francisco start-up claims that its Chinese rival may have used data generated by OpenAI technologies to build new systems.

Venture capitalists plowed money into A.I. start-ups like OpenAI and Anthropic. But the rise of the Chinese A.I. start-up DeepSeek has called that funding frenzy into question.

The Silicon Valley giant was criticized for giving away its core A.I. technology two years ago for anyone to use. Now that bet is having an impact.

The tech giant’s revenue was up 12 percent to $69.6 billion, but investors are showing their nerves after a long boom for tech stocks.

The fast-growing popularity of the Chinese artificial intelligence software hit shares in tech giants like Nvidia, as Silicon Valley worried about what comes next.