Free, Pro, Max, Team, and Enterprise Claude plans can access Claude Sonnet 4 and Opus 4 now, with an extended thinking mode ...

Anthropic CEO Dario Amodei claims that AI models hallucinate at a lower rate than humans do, but in more surprising ways.

The latest versions of Anthropic's Claude generative AI models made their debut Thursday, including a heavier-duty model ...

Alongside the model releases, Claude Code has entered general availability, with integrations for VS Code and JetBrains, and the Anthropic API has gained four capabilities: Code execution tool, a ...

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 ...

Hybrid reasoning models Claude Opus 4 and Claude Sonnet 4 bring new and advanced opportunities for agentic AI to AWS customers.

Anthropic launches its Claude 4 series, featuring Opus 4 and Sonnet 4, delivering new AI benchmarks in coding, advanced reasoning, and agentic capabilities, alongside stricter ASL-3 safety protocols ...

Anthropic on Thursday announced new versions of its two largest models, Claude Opus 4 and Claude Sonnet 4, according to a blog post. The Information first reported on the model launches earlier this ...

Anthropic has just announced Claude 4 Sonnet and Claude 4 Opus, which are immediately available on Claude’s website, as well as in the API.

With Claude Opus 4 and Claude Sonnet 4, the AI company Anthropic is expanding its model family with two systems that it ...

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