Anthropic says its Claude Opus 4 model frequently tries to blackmail software engineers when they try to take it offline.

Staff at the Department of Homeland Security are no longer allowed to use commercial generative artificial intelligence tools ...

Large language model developer Anthropic PBC today rolled out its newest Claude 4 frontier models, starting with Opus 4 and ...

I’ve been testing an early access version of Claude Opus 4, the latest model by Anthropic that was just announced today. You ...

Claude Opus is Anthropic's largest version of the model family with more power for longer, complex tasks, whereas Sonnet is ...

I’m in Seattle this week for Microsoft’s annual Build conference, where the software behemoth has announced a slate of new ...

The company claims its ability to tackle complex, multistep problems paves the way for much more proficient AI agents.

Availability for these models differs slightly; while both paid subscribers and users of Anthropic’s free chatbot will have access to Claude Sonnet 4, premium access to Claude Opus 4 will remain ...

Anthropic kicked off its first-ever Code with Claude conference today with the announcement of a new frontier AI system.

During its inaugural developer conference Thursday, Anthropic launched two new AI models that the startup claims are among ...

Anthropic debuted the first models in its latest Claude 4 series Thursday — including one, Claude 4 Opus, that it says is the world's best at coding. Why it matters: Competition is hot between ...

Anthropic has long been warning about these risks—so much so that in 2023, the company pledged to not release certain models ...