Anthropic 发布 Claude Sonnet 5.5：性能逼近 Opus 5.5，单任务成本降三成
原标题：Anthropic's Claude Sonnet 5.5 nearly matches Opus 5.5 on benchmarks while costing up to 30 percent less per task
AI 摘要
Anthropic 发布 Claude 5.5 家族第二款模型 Claude Sonnet 5.5，输出速度提升超 30%，单任务成本最多降低 30%，在编程与知识工作基准上接近旗舰 Opus 5.5。该模型已在 AWS、Google Cloud 和 Azure 上线，并新增针对网络安全风险与蒸馏攻击的防护措施。Anthropic 还预告数周内推出面向高吞吐、低成本场景的 Claude Haiku 5.5。
正文节选
Anthropic's Claude Sonnet 5.5 nearly matches Opus 5.5 on benchmarks while costing up to 30 percent less per task Key Points - Anthropic has released Claude Sonnet 5.5, which generates output more than 30 percent faster and cuts per-task costs by up to 30 percent through more efficient token usage. - Sonnet 5.5 shows major gains in coding and knowledge-work benchmarks, nearly matching the top-tier Opus 5.5 in some tests at a fraction of the cost. - The model is available now on AWS, Google Cloud,