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

Bowman later edited his tweet and the following one in a thread to read as follows, but it still didn't convince the ...

Claude Opus 4 is the world’s best coding model, Anthropic said. The company also released a safety report for the hybrid ...

Anthropic kicked off its first-ever Code with Claude conference today with the announcement of a new frontier AI system.

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

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

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

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

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

The company plans to unveil Sonnet 4 and Opus 4, the latter of which is billed as Anthropic’s most powerful AI system yet ...

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

Anthropic’s Claude Opus 4 showed blackmail-like behavior in simulated tests. Learn what triggered it and what safety steps the company is now taking.