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

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 ...

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

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

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

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

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

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

Large language model developer Anthropic PBC today rolled out its newest Claude 4 frontier models, starting with Opus 4 and ...