Anthropic’s alignment team was doing routine safety testing in the weeks leading up to the release of its latest AI models when researchers discovered something unsettling: When one of the models ...

Anthropic's first developer conference on May 22 should have been a proud and joyous day for the firm, but it has already been hit with several controversies, including Time magazine leaking its ...

On Thursday, Anthropic released Claude Opus 4 and Claude Sonnet 4, marking the company’s return to larger model releases after primarily focusing on mid-range Sonnet variants since June of last year.