AI 导读
Claude 5.5 家族的第二款模型 Claude Sonnet 5.5 发布，官方称其比 Sonnet 5 更智能、更高效且快 30% 以上。Claude Devs 称在 Claude Platform 上成本最多降低 20%，Claude Code 中用量增加 30%。官方建议将其用于修 bug、快速迭代功能等范围明确的日常任务。
推荐理由
官方给出 Sonnet 5.5 相对前代的提速与成本数据，读者可据此评估日常编码任务的迁移时机。
正文
Sonnet 5.5 is smarter, more efficient, and 30% faster than Sonnet 5. We’ve seen as much as 20% lower costs on the Claude Platform and 30% more usage in Claude Code.
Use it for well-scoped everyday tasks like fixing bugs and quickly iterating on features. https://t.co/JuV2amqkZV https://t.co/8eFe0YuAJW
Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family. It’s a clear upgrade over Sonnet 5, runs more than 30% faster, and costs up to 30% less for most work. https://t.co/UvXD8mDTF1在 X 查看被引用的帖子
来源：@ClaudeDevs · x.com