Free, Pro, Max, Team, and Enterprise Claude plans can access Claude Sonnet 4 and Opus 4 now, with an extended thinking mode ...

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

During its inaugural developer conference, Anthropic launched two new AI models the startup claims are among the industry's ...

Claude 4 Sonnet is a leaner model, with improvements built on Anthropic's Claude 3.7 Sonnet model. The 3.7 model often had ...

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

A third-party research institute Anthropic partnered with to test Claude Opus 4 recommended against deploying an early ...

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

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

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

Anthropic has responded to allegations that it used an AI-fabricated source in its legal battle against music publishers, ...

Anthropic has unveiled Claude 4, the latest generation of its AI models. The company boasts that the new Claude Opus 4 and ...