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

As artificial intelligence races ahead, the line between tool and thinker is growing dangerously thin. What happens when the system you designed to follow instructions begins to resist—actively and ...

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 ...

Claude 4 Opus is specifically designed to handle high-performance, long-duration tasks. It excels in advanced reasoning, memory retention, and multifile code comprehension, making it a robust ...

Anthropic's newest AI model, Claude Opus 4, was tested with fictional scenarios to test things from its carbon ... the AI's behavior is now "roughly in line with other deployed models." ...

Alex Albert, Anthropic's head of Claude Relations, told Ars Technica that the company chose to revive the Opus line because of growing ... tasks in Claude Code ran for seven hours without ...

Anthropic has introduced Claude Opus 4 and Claude Sonnet 4 ... In addition to the new models, Anthropic’s Claude Code agentic command-line tool is now generally available following its limited ...