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.

When tech luminaries talk about their Christian faith, people listen.

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

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

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.

Mr. Penny, who was acquitted after choking a mentally ill subway passenger to death, will work for Andreessen Horowitz. Before the killing, he had been an architecture student.

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.

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

Everyone from Jamie Dimon to the International Monetary Fund is ringing alarms about the shadowy world of private credit. But the money keeps rolling in.

Investors are betting that they can make a dent in global warming, and healthy profits, with companies that alter the atmosphere.