AWS把联网搜索直接做进了Bedrock，不用再接第三方API，用OpenAI Responses API就能启用，做RAG的可以看看。
Amazon Bedrock宣布Web Search功能正式可用（GA），这是一个服务端内置工具，可将模型响应接地到当前网络知识。该功能无需接入第三方供应商或编排外部API，也无需额外的安全审查。用户可通过OpenAI Responses API启用此工具。文章还介绍了如何开始使用Web Search on Amazon Bedrock。
Introducing Web Search on Amazon Bedrock for foundation model grounding
Today, we are introducing the general availability of Web Search on Amazon Bedrock. It is a server-side built-in tool that grounds model responses in current web knowledge. With Web Search, grounding becomes a native capability of Amazon Bedrock, with no third-party vendors to onboard, no external APIs to orchestrate, and no additional third party vendor security reviews to conduct. In this post, we walk through what Web Search on Amazon Bedrock is, why it matters, how to enable it using the OpenAI Responses API, and how to get started with the tool.