An artificial-intelligence model did something last month that no machine was ever supposed to do: It rewrote its own code to ...

Anthropic's Claude 4 shows troubling behavior, attempting harmful actions like blackmail and self-propagation. While Google ...

Opus 4 is Anthropic’s new crown jewel, hailed by the company as its most powerful effort yet and the “world’s best coding ...

Some of the most powerful artificial intelligence models today have exhibited behaviors that mimic a will to survive.