Tech start-ups typically raised huge sums to hire armies of workers and grow fast. Now artificial intelligence tools are making workers more productive and spurring tales of “tiny team” success.

A.I. tools from Microsoft and other companies are helping write code, placing software engineers at the forefront of the technology’s potential to disrupt the work force.

The iPhone 16e is the first update to the company’s most affordable model since 2022, but carries a higher price tag of $599.

The Human Virome Program will analyze samples from thousands of volunteers in an effort to understand how viruses affect health.

Humane, which marketed its Ai Pin as the next big thing after smartphones, had raised $240 million from investors, including OpenAI’s Sam Altman. The pin will be discontinued.

Regulators said they would suspend the app until they could be sure it complied with the country’s data protection laws.

The economic theory, which traces to 1865, says that as a resource becomes more efficient to use, demand will increase. It came up a lot in A.I. circles last month.

The Chinese start-up used several technological tricks, including a method called “mixture of experts,” to significantly reduce the cost of building the technology.

Bret Taylor, the chairman of OpenAI’s board, said the artificial intelligence company was “not for sale.” Mr. Musk is separately raising money for his A.I. start-up, xAI.

The uncertain reaction to Xi Jinping’s display of warmth made sense: Executives are eager for a reset after years in the cold but ever wary of meddling.

Staff units evaluating high-tech surgical robots and insulin-delivery systems were gutted by Trump layoffs even though industry fees, not taxpayers, financed the employee salaries.

The company said a Chinese operation had built the tool to identify anti-Chinese posts on social media services in Western countries.

“Elon Musk is willing to spend a phenomenal amount of money and basically do everything he can to stay with the head of the pack on A.I. progress.”

Mira Murati, who left OpenAI last year, has helped establish Thinking Machines Lab, a new artificial intelligence start-up.

Por qué el nuevo gobierno debilitará inexorablemente la seguridad económica del país.

Why the new Trump administration will inexorably weaken the country’s economic security.

It’s a Valentine’s Day Special!

Alessio Figalli studies optimal transport, a field of math that ranges from the movements of clouds to the workings of chatbots.

A new chatbot would answer questions from student borrowers. The idea comes from staffers with ties to the tech industry as they push further into the agency’s work.