Technology

“If you think there’s a lot of money in politics now,” Marc Andreessen said in 2000, “you haven’t seen anything yet.” His firm is now the biggest known spender on this campaign cycle.

Recursive Superintelligence, founded by former Google, Meta and OpenAI researchers, is part of a growing effort to automate the creation of artificial intelligence.

Apps from Apple, Google and others can assist in making your online accounts more secure, even as new ways of logging in continue to take off.

Jensen Huang boarded Air Force One in Alaska, joining a delegation of more than a dozen business leaders accompanying President Trump on his trip to Beijing.

The start-up, which recently released a powerful A.I. model called Mythos and is separately battling with the Pentagon, was previously valued at $380 billion.

Experts and college students used A.I. agents to try to break into and defend computer networks in a national competition. The agents did all right on their own, too.

Mr. Altman, the C.E.O. of OpenAI, said on Tuesday that he worried Elon Musk wanted control of the A.I. lab.

Sam Altman has been targeted in a backlash against A.I.

The chief executive