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 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.

Contextual Persistence: Higher-agency systems maintain awareness of project goals across multiple interactions. While code ...

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

Anthropic, the artificial intelligence startup supported by Google-parent Alphabet (NASDAQ:GOOG, GOOGL)) and Amazon (NASDAQ:AMZN), announced Thursday that it introduced Claude Opus 4, a new model ...

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

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

Anthropic's Claude Opus 4 outperforms OpenAI's GPT-4.1 with unprecedented seven-hour autonomous coding sessions and record-breaking 72.5% SWE-bench score, transforming AI from quick-response tool to ...

Anthropic's newest editon of its flagship AI product will address significant limitations in current large language models.