Claude Opus 4.1 (US)

Claude Opus 4.1 is designed as a specialized model focused on agentic workflows, real-world software engineering, and complex reasoning. It is engineered to excel in scenarios requiring high precision, such as multi-file code refactoring and detailed data analysis. By emphasizing accurate detail tracking and agentic search capabilities, the model functions as a reliable partner for technical tasks, allowing users to perform in-depth research and resolve intricate logic problems with greater consistency.

Building upon the foundation of its predecessor, this iteration demonstrates significant advancements in coding performance, achieving a 74.5% score on the SWE-bench Verified benchmark. Practical applications highlight its ability to pinpoint exact corrections within large repositories without introducing unnecessary bugs or regressions. With its optimized performance in debugging and development environments, the model serves as a robust tool for developers and researchers who require a high degree of reliability when automating complex, multi-step technical processes.