Claude Opus 4.5

Claude Opus 4.5 is Anthropic’s latest frontier large language model, designed for demanding professional, enterprise, and research workloads. It delivers strong performance across complex reasoning, code generation, scientific and mathematical problem-solving, and long-context analysis, while emphasizing reliability and interpretability. The model can ingest and work with large volumes of text and code, generate structured outputs, and follow nuanced instructions, making it suitable for applications such as agentic workflows, automated research, enterprise knowledge assistants, software development copilots, and data analysis.

Claude Opus 4.5 is built to reduce hallucinations and provide more verifiable answers, supporting citation-style responses and step-by-step reasoning to help users understand how outputs were derived. It integrates with the broader Claude ecosystem, including API access and UI-based chat experiences, and can be embedded into custom products, internal tools, and customer-facing applications. Target users include businesses, developers, analysts, and teams that need a high-accuracy, general-purpose model capable of handling complex, multi-step tasks at scale while maintaining a strong focus on safety and control.