Amazon-backed Anthropic announced Claude Opus 4 and Claude Sonnet 4 on Thursday, touting the advanced ability of the models.

Anthropic’s new Claude 4 Opus often turned to blackmail to avoid being shut down in a fictional test. The model threatened to ...

Anthropic, a leading AI startup, is reversing its ban on using AI for job applications, after a Business Insider report on ...

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

Bowman later edited his tweet and the following one in a thread to read as follows, but it still didn't convince the ...

Anthropic's new model might also report users to authorities and the press if it senses "egregious wrongdoing." ...

Anthropic's Claude Opus 4 outperforms OpenAI's GPT-4.1 with unprecedented seven-hour autonomous coding sessions and ...

Anthropic says Claude Opus 4 is its most powerful model and the best coding model in the world, while Sonnet 4 is replacing ...

A third-party research institute Anthropic partnered with to test Claude Opus 4 recommended against deploying an early ...

Anthropic's most powerful model yet, Claude 4, has unwanted side effects: The AI can report you to authorities and the press.

Claude Opus 4 is Anthropic’s most powerful AI model to date, according to the company’s announcement, and capable of working ...

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