Claude Sonnet 4.5 现已发布：

- 宣称最强的 coding 模型
- 宣称大幅提升推理和数学能力
- 宣称在多个基准测试中 SOTA
- 现已在多个平台上线，含 Claude Code

https://www.anthropic.com/news/claude-sonnet-4-5
Anthropic
Introducing Claude Sonnet 4.5
Introducing Claude Sonnet 4.5
Claude Sonnet 4.5 is the best coding model in the world, strongest model for building complex agents, and best model at using computers.
 
 
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