AWS 2026年9月AI更新：Bedrock、AgentCore与Strands新进展
原标题：ICYMI: What landed for AI builders in September 2026
AI 摘要
AWS 发布 2026 年 9 月 AI 构建者更新汇总，涵盖 Amazon Bedrock、AgentCore 和 Strands 三方面。Bedrock 新增 OpenAI 的 Astra、Sol、Luna 模型，Claude Fable 5.1、Opus 5.5、Sonnet 5.5，Moonshot AI 的 Kimi K3，以及 xAI 的 Grok 4.6 和 4.7，扩大模型选择。AgentCore 推出由 OpenAI 驱动的托管代理公开预览，并优化运行时降低冷启动延迟和成本。Strands 发布开源代理框架 harness（节省 28% token）和 2B 参数决策模型 Decider 2B。
正文节选
ICYMI: What landed for AI builders in September 2026 A recap of the latest Amazon Bedrock, Amazon Bedrock AgentCore, and Strands updates from September 2026 At AWS, we believe the fastest path to enterprise AI is giving builders real choice at every layer: model, runtime, and tooling. That belief shapes how we invest across Amazon Bedrock, AgentCore, and Strands. Amazon Bedrock continues expanding access to leading frontier models so you can build and scale AI applications securely. Amazon Bedro