The company’s researchers raised questions about the security of the model, known as GPT-6.1 Astra.

The increase comes four months after the chip giant added $80 billion to its buyback program, bringing the total remaining authorized amount to $235 billion.

Dario Amodei, who is also the company’s chief executive, will join the president at the White House for a private dinner. Mr. Trump has dismissed his cautions.

The gap between technology and policymaking has gotten wider than ever with artificial intelligence, leaving a global policy vacuum as A.I. models rapidly advance.

The settlement, which also includes changes to the platform’s features, is the latest in a string of agreements by companies to address child addiction.

The prime minister will say he wants to reduce energy costs in his first conference speech as Labour leader.

Aviva boss Amanda Blanc said England was “for sure” building homes that might be uninsurable at some point in the future.

The firm also issued an update on incidents in which its models accessed Australian government systems.

It is the latest escalation in the Canada-US trade war after negotiations collapsed in late August, with no word on when talks may resume.

Content creation degrees aim to help people make money from their social media posts.