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

Claude Opus 4 and Claude Sonnet 4, Anthropic's latest generation of frontier AI models, were announced Thursday.

Anthropic unveiled Claude Opus 4 and Claude Sonnet 4 on May 22, claiming that Claude Opus 4 is its most powerful model yet, ...

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

Microsoft is continuing to expand its fleet of AI partners, hedging its bets beyond its high-profile partnership with OpenAI ...

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

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

Anthropic, the Amazon-backed OpenAI rival, on Thursday launched its most powerful group of AI models yet: Claude 4.

Amazon-backed Anthropic has released Claude 4, touted its most powerful group of AI models yet, made to tackle complex tasks.

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

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

Artificial intelligence startup Anthropic says its new AI model can work for nearly seven hours continuously, further signaling AI’s growing presence in the workplace.