The quirky leader of the $61 billion AI startup Anthropic talked about the near- and long-term future of AI at his company's ...

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 ...

In a fictional scenario, Claude blackmailed an engineer for having an affair.

AI pioneer Geoffrey Hinton says he tends to believe GPT-4, even though he said it got a simple riddle wrong.

Anthropic introduces Claude 4 Sonnet and Opus models with enhanced reasoning, coding abilities, and memory for sustained, ...

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

In particular, that marathon refactoring claim reportedly comes from Rakuten, a Japanese tech services conglomerate that "validated [Claude's] capabilities with a demanding open-source refactor ...

Despite the concerns, Anthropic maintains that Claude Opus 4 is a state-of-the-art model, competitive with offerings from ...

AI firm Anthropic says that routine tests of AI software revealed that the system is capable of blackmailing users when ...