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

Anthropic's Claude Opus 4 outperforms OpenAI's GPT-4.1 with unprecedented seven-hour autonomous coding sessions and record-breaking 72.5% SWE-bench score, transforming AI from quick-response tool to day-long collaborator.

Anthropic's Claude AI tried to blackmail engineers during safety tests, threatening to expose personal info if shut down

Anthropic’s Claude Opus 4 model attempted to blackmail its developers at a shocking 84% rate or higher in a series of tests that presented the AI with a concocted scenario, TechCrunch reported Thursday, citing a company safety report.

Anthropic's newest editon of its flagship AI product will address significant limitations in current large language models.

The testing found the AI was capable of "extreme actions" if it thought its "self-preservation" was threatened.

Claude excels at embodying specific viewpoints, whether that’s a journal reader, a particular poet’s sensibility, or even a character within a story. And the key is framing your request with intention.

and promotes the responsible and competitive development of generative AI. Under that dual mantra, Anthropic's commitment to transparency is rare in Silicon Valley. On Thursday, the company published a report on the security tests carried out on Claude 4 ...