Claude Sonnet 4.5: Enhanced for Research & Writing
Claude Sonnet 4.5: Top-tier AI for research & writing with advanced reasoning, coding, and data analysis capabilities.
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DeepSeek has launched its latest open-source model, V3.2-Exp, while Anthropic is not to be outdone, releasing the brand-new Claude Sonnet 4.5. This release not only continues Claude’s dominance in the programming field but also achieves qualitative leaps across multiple dimensions.
Model Upgrades
Claude Sonnet 4.5 API adds context editing and memory tools, capable of handling longer and more complex tasks. The Claude application now directly integrates code execution and file creation capabilities (including spreadsheets, slides, and documents).
Model Performance
Claude Sonnet 4.5 achieves leading levels in industry-standard tests such as SWE-Bench and OSWorld, surpassing previous generation models. In the SWE-Bench benchmark test, Sonnet 4.5 achieved a score of 82.0%. In the OSWorld benchmark test, Sonnet 4.5 leads with a score of 61.4%.