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

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

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

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

Anthropic claims Claude Opus 4 can compete with GPT-4.1 and Gemini 2.5, while Sonnet 4 outperforms its predecessor in ...

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

Anthropic has unveiled Claude Opus 4 and Claude Sonnet 4, next-generation AI models designed to enhance coding, reasoning, ...

Today, on 22 May 2025, Anthropic introduced the next generation of Claude models: Claude Opus 4 and Claude Sonnet 4. These ...

Anthropic is secretly working on two new models called Claude Sonnet 4 and Opus 4, which are believed to be the company's ...

Anthropic's new Claude Opus 4 and Sonnet 4 AI models deliver state-of-the-art performance in coding and agentic workflows.

Anthropic has introduced two advanced AI models, Claude Opus 4 and Claude Sonnet 4, designed for complex coding tasks.

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