Anthropic says Claude Opus 4 is its most powerful model and the best coding model in the world, while Sonnet 4 is replacing Sonnet 3.7 in the chatbot.

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

In particular, that marathon refactoring claim reportedly comes from Rakuten, a Japanese tech services conglomerate that "validated [Claude's] capabilities with a demanding open-source refactor ...

Anthropic’s latest AI model, Claude Opus 4, has surpassed OpenAI’s GPT-4.1 in coding abilities, marking a significant shift ...

Learn how Claude 4 Opus and Composer Agent streamline software development, boost productivity, and AI coding workflow with ...

Power of Anthropic's Claude 4 models for coding and task management. Enhance productivity with cutting-edge AI solutions ...

The latest versions of Anthropic's Claude generative AI models made their debut Thursday, including a heavier-duty model built specifically for coding and complex tasks. Anthropic launched the new ...

Improvements in long-form writing, structured analysis, and overall task execution suggest it is designed as a general-purpose AI assistant. Early benchmarks suggest Claude 4 outperforms OpenAI ...

dramatically outperforming all Sonnet models and significantly expanding what AI agents can accomplish," Anthropic noted. While benchmarks put Claude 4 Sonnet and Opus ahead of their predecessors ...

With the release of Claude 4, the latest AI writing model from Anthropic ... Claude 4 demonstrates measurable improvements over its predecessor, particularly in producing detailed, long-form ...