Actions by the president and the Pentagon appeared to drive a wedge between Washington and the tech industry, whose leaders and workers spoke out for the start-up. More

The Pentagon’s contract dispute with Anthropic is part of a wider clash about the use of artificial intelligence for national security and who decides on any safeguards. More

The megabillionaire was tied to about 90 companies in the state, which he uses for everything from paying nannies to buying land to supporting Donald Trump’s re-election, according to a Times examination. More

The Tesla and SpaceX chief has told his followers that they will live in a world where robots will take care of every need and people do not have to work, in what has become his latest slogan. More

Parents will receive notifications if a child has used the platform repeatedly to search for terms related to suicide or self-harm, but users must opt in to get them. More

“I think the mere fact that the markets can move so much, based on almost nothing, underscores how high anxiety is right now.” More

South Korea approved Google’s request to export detailed map data, reversing a longstanding restriction that made the tool largely nonfunctional. More

Artificial intelligence promises to automate the white-collar work that made India a tech powerhouse. The country is racing to adapt before it’s too late. More

More than 100 Google A.I. employees sent a letter to Jeff Dean, a chief scientist, opposing Gemini’s use for U.S. surveillance and some autonomous weapons. More

About 4,000 workers will lose their jobs as the payments company does more work with new artificial intelligence tools, its top executive said. More

Anthropic said it was standing firm on not having its A.I. used in certain scenarios by the Pentagon, which has imposed a Friday deadline on the company to give unfettered access to its technology. More

The plaintiff, a 20-year-old identified only as K.G.M., took the stand to testify against Meta and Instagram in a bellwether case over tech addiction. More

The founders of HateAid, a German human-rights group that helps victims of online attacks, were accused by the Trump administration of being part of a “global censorship-industrial complex.” More

Artificial intelligence is convenient and easy to use, but you should think about what you say to the chatbots. More

People are revealing sensitive personal information to A.I. chatbots — including plans to commit violent acts. More