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Claude Haiku 5.5 登上 Amazon Bedrock 與 Claude Platform on AWS
AWS 宣布 Claude Haiku 5.5 已在 Amazon Bedrock 與 Claude Platform on AWS 提供。Anthropic 稱新模型面向子代理與高流量、成本敏感工作，多數任務的成本約比 Claude Haiku 4.5 低 75%。
完整報導
AWS 宣布 Claude Haiku 5.5 已在 Amazon Bedrock 與 Claude Platform on AWS 提供。Anthropic 將它定位為 Claude 5.5 家族中速度最快、效率最高的模型，適用於子代理及高流量、成本敏感的工作；官方稱多數任務的成本約比 Claude Haiku 4.5 低 75%。
AWS 的文章將 Haiku 5.5 描述為 Anthropic 目前在程式撰寫、工具使用、電腦操作與代理式任務方面能力最強的 Haiku 模型。它支援代理式程式撰寫、多步驟工具使用與高解析度影像，也是首款具備 effort controls 的 Haiku 模型。Bedrock 使用量會列在 AWS 帳單上；Claude Platform on AWS 則透過 AWS Management Console 提供 Anthropic 原生平台體驗，並使用 AWS 帳單與身分驗證。
模型可透過 Anthropic Messages API，以及 Bedrock Invoke 與 Converse API 呼叫。在 AWS GovCloud (US)，Haiku 5.5 可使用 bedrock-runtime 和 bedrock-mantle 兩種端點。此次公告接續 AWS 於 2026 年 9 月 28 日宣布 Claude Sonnet 5.5 登上 Bedrock 與 Claude Platform on AWS，為 AWS 上的 Claude 5.5 提供另一種模型選擇。
為什麼值得注意
公告提供了 Haiku 5.5 的 AWS 存取方式、相對於 Claude Haiku 4.5 的成本比較，以及 GovCloud 端點資訊。這些細節有助於使用者評估模型是否適合高流量工作，並確認現有 AWS 工作流程可採用的呼叫介面。
來源證據
先看主要證據，再查看佐證來源與來源脈絡。
主要證據
1Introducing Claude Haiku 5.5 on AWS
Aamna Najmi
“Claude Haiku 5.5 is now available on Amazon Bedrock and Claude Platform on AWS. According to Anthropic, it is the fastest, most efficient model in the Claude 5.5 family, built for subagents and high-volume, cost-sensitive work, and costs around 75% less than Claude Haiku 4.5 for most tasks. This post covers its improvements and how to get started.”
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