Model Behavior

Anthropic’s critics argue it’s rapidly accumulating power. The company says that’s what responsible AI development looks like.

Anthropic still can’t distribute Claude Mythos or Fable 5 after running afoul of the Trump administration. But no one can say exactly what the company did wrong.

Thibault Sottiaux helped make AI coding one of OpenAI’s fastest-growing businesses. Now he’s overseeing a sweeping overhaul of ChatGPT.

Trajectory is betting the rapid iteration cycle that supercharged vibe-coding can help all kinds of companies build AI products that learn continuously.

Global affairs chief Chris Lehane wants to tone down the debate over AI’s societal impacts—and get states to pass laws that won’t derail OpenAI’s meteoric rise.

The nine-member panel took only two hours to return a verdict in favor of OpenAI on Monday, which the judge quickly adopted as her own final decision.

A federal jury is now deciding whether Elon Musk will win his lawsuit against OpenAI and Sam Altman—but the trial has made everyone look bad.

The plaintiffs and defense have rested their cases, as well as their rear ends.

Musk’s lawyers questioned Altman over allegations of deception and his network of financial investments, but the OpenAI CEO painted a picture of Musk as obsessed with controlling the company.

The former OpenAI chief scientist may be estranged from the company, but he still came to its defense as he testified on Monday.