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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 most powerful model yet, Claude 4, has unwanted side effects: The AI can report you to authorities and the press.
A third-party research institute Anthropic partnered with to test Claude Opus 4 recommended against deploying an early ...
Claude Opus 4 and Claude Sonnet 4. These models are setting new standards for coding, advanced reasoning, and AI agents. Sonnet 4 also provides elegant code quality, higher success rates, ...
Anthropic introduces Claude 4 Sonnet and Opus models with enhanced reasoning, coding abilities, and memory for sustained, ...
Anthropic claims Claude Opus 4 can compete with GPT-4.1 and Gemini 2.5, while Sonnet 4 outperforms its predecessor in ...
The AI model is said to be capable of sustained ... Pricing remains unchanged from the previous generation. The Claude 4 launch is available now across the Anthropic API, Amazon Bedrock, and ...