Claude Opus 4.6

Opus 4.6 is a highly advanced model that excels in sustaining complex, agentic tasks over extended periods, operates more reliably in large codebases, and demonstrates superior code review and debugging capabilities to identify and correct its own errors. Notably, it introduces a groundbreaking 1 million token context window in beta, enabling it to handle vast amounts of information at once. Beyond technical tasks, Opus 4.6 is adept at everyday professional workflows—such as conducting financial analyses, performing research, and creating or managing documents, spreadsheets, and presentations. When integrated into collaborative environments like Cowork, it can autonomously multitask, leveraging its enhanced skills to streamline and execute a wide range of tasks efficiently on your behalf.