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Claude Sonnet 4.5

Claude Sonnet 4.5

The best coding model in the world

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About

The page announces the release of Claude Sonnet 4.5, detailing its performance across various benchmarks such as SWE-bench, Terminal-Bench, τ2-bench, AIME, OSWorld, MMMLU, and Finance Agent. It provides specifics on the methodologies used for evaluation, including context configurations, sampling techniques, and the use of extended thinking or tool use. The content also includes links to related news, Anthropic's product offerings (Claude, Claude Code, etc.), different Claude models (Opus, Sonnet, Haiku), solutions for various industries, developer platform resources, learning materials, company information, and legal/support documentation. It serves as a comprehensive update on the new model and a hub for Anthropic's ecosystem.


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Design Review

The provided content is purely textual, without any visual design information (CSS, images, layout, etc.). Therefore, it is impossible to review design aesthetics, color schemes, typography, or overall usability from a visual perspective. The structure of the text, with clear headings and lists, suggests a well-organized and informational content presentation, but this does not translate to a visual design review.