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.

Speaking in Paris at an artificial intelligence summit, the vice president gave an America First vision of the technology — with the U.S. dominating the chips, the software and the rules.

The Southern California start-up, which builds flying drones and missiles, is set to raise up to $2.5 billion.

He was among the first backers of Apple Computer and 3Com, earning windfalls, but it was his humaneness that distinguished him from other venture capitalists.

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 company built a cheaper, competitive chatbot with fewer high-end computer chips than U.S. behemoths like Google and OpenAI, showing the limits of chip export control.

Two U.S. companies teamed up to treat cancer patients using an unproven blood filter in Antigua, out of reach of American regulators.

The company said its Columbus plant could eventually produce tens of thousands of autonomous systems and weapons each year.

The financing efforts follow new funding rounds by Elon Musk’s xAI and the market leader, OpenAI, which is now valued at $157 billion.

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

As the technology is widely adopted, some once-struggling midsize cities in the Midwest, Mid-Atlantic and South may benefit, new research predicts.

Avelo Airlines and Breeze Airways have found success and loyal customers by serving airports in smaller cities, like New Haven, Conn., that were neglected by national carriers.