AI 导读
Anthropic 正式发布 Claude 5.5 家族第二个模型 Claude Sonnet 5.5，官方称其运行速度提升逾 30%，多数任务成本最多降低 30%，性能接近 Opus 5.5。该模型是 Sonnet 5 的明显升级，并成为新的默认选择。
推荐理由
作为 Claude 5.5 家族第二款模型，Sonnet 5.5 速度与成本各优化约三成，性能接近 Opus 5.5。
正文
ANTHROPIC 🔥: Claude Sonnet 5.5 has been announced officially and it is 30% faster and 30% cheaper with a performance close to Opus 5.5!
A new default 👀 https://t.co/CxiHQdYqQL https://t.co/oAETlZZzGr
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：@testingcatalog · x.com