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

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

AI firms have struggled to make the next generation of large language models. Anthropic’s Claude 4.0 Opus, announced Thursday ...

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

(CNN) — Artificial intelligence startup Anthropic says its new AI model can work for nearly seven hours in a row, in another sign that AI could soon handle full shifts of work now done by humans.

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