The company claims that Claude 4 Opus is "the world's best coding model." Claude 4 Sonnet is pretty good, too, but strikes ...

Anthropic has released a new report about its latest model, Claude Opus 4, highlighting a concerning issue found during ...

Anthropic's latest frontier AI model, Claude 4 Opus, exhibited troubling behaviors including blackmail, deception, and ...

Anthropic’s newly released artificial intelligence (AI) model, Claude Opus 4, is willing to strong-arm the humans who keep it ...

Anthropic’s Chief Scientist Jared Kaplan said this makes Claude 4 Opus more likely than previous models to be able to advise ...

Anthropic's Claude Opus 4 AI model resorted to blackmail during safety tests, threatening to expose personal information when engineers tried to shut it down.