Claude Opus 5.5 上线 AWS Bedrock
原标题：Claude Opus 5.5 is now available on AWS
AI 摘要
Anthropic 的 Claude Opus 5.5 现已在 Amazon Bedrock 和 AWS 上的 Claude Platform 上线，是 Claude 5.5 系列首个模型。该模型面向智能体编程、知识工作和长时任务，据 Anthropic 称比 Opus 5 用更少 token 完成更多工作，且单 token 价格和缓存读取成本更低，从而降低每任务平均成本。Opus 5.5 默认开启自适应思考，并首次在生物、网络安全和 AI 开发领域配备类似 Claude Fable 5.1 的安全分类器，会更频繁拒绝请求。
正文节选
Claude Opus 5.5 is now available on AWS Today, we’re excited to announce the availability of Claude Opus 5.5 on Amazon Bedrock and Claude Platform on AWS, the first of the Claude 5.5 model family. Claude Opus 5.5 is Anthropic’s most capable Opus model suitable for agentic coding, knowledge work, and long-running tasks. This post covers Claude Opus 5.5’s improvements, practical guidance, and how to start building with the model on Amazon Bedrock. What makes Claude Opus 5.5 different According to