Claude Opus 4.5

Claude Opus 4.5 is designed as a highly intelligent and efficient model, specifically engineered to excel in software development, agentic workflows, and computer use. It serves as a versatile tool for professional knowledge workers, including financial analysts, consultants, and accountants, by streamlining deep research and the manipulation of complex documents like spreadsheets and slides. The model is built to handle demanding, long-running tasks, positioning it as a significant advancement for users who require reliable, high-quality output for intricate professional projects.

The model demonstrates state-of-the-art performance in real-world software engineering, notably outperforming human candidates on rigorous engineering assessments and leading benchmarks like SWE-bench Verified. Its architecture supports sophisticated multi-agent coordination, allowing it to manage teams of sub-agents to solve exhaustive, multi-step problems effectively. By focusing on token efficiency and robust alignment, the model provides a practical, forward-looking solution for developers and enterprises looking to integrate advanced AI into their existing software engineering pipelines and automated workflows.