Claude-Opus-4.5

Claude Opus 4.5 represents Anthropic's frontier model in the Claude Opus family, positioned as the company's most capable system for software engineering, autonomous agents, and computer use tasks. The model achieves state-of-the-art performance on SWE-bench Verified, a benchmark measuring real-world coding ability, placing it at the top of frontier model comparisons. Anthropic emphasizes that Opus 4.5 is designed for complex, long-running agent workflows and excels at practical tasks like deep research, working with spreadsheets, and navigating desktop environments, making it well-suited for developers building sophisticated AI-driven applications.

Beyond coding prowess, Claude Opus 4.5 brings meaningful improvements to everyday professional tasks, including document analysis, research synthesis, and productivity workflows in tools like Excel and Chrome. The model supports multimodal inputs including text, images, and PDFs, enabling it to process diverse content types in agent pipelines. Its large context window supports extended conversations without artificial limits, addressing a common pain point for users engaged in lengthy research or complex multi-step tasks. Available across Anthropic's API, consumer apps, and major cloud platforms, Opus 4.5 also introduced updated developer platform features including new tools for orchestrating longer-running autonomous workflows.