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

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

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 ...

Anthropic is set to roll out two new versions of its Claude artificial intelligence software, including a long-delayed update ...

Artificial intelligence lab Anthropic unveiled its latest top-of-the-line technology called Claude Opus 4 on Thursday, which ...

Artificial intelligence startup Anthropic says its new AI model can work for nearly seven hours continuously, further ...

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

Anthropic unveiled its latest generation of “frontier,” or cutting-edge, AI models, Claude Opus 4 and Claude Sonnet 4, during ...

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

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

Jay Parikh, Microsoft executive vice president and head of the company’s CoreAI engineering division, speaks at Build 2025 in ...