产品简介
Amazon Bedrock 是 AWS 推出的**完全托管的生成式 AI 基础平台**,核心定位是"**一个 API 调用多家基础模型**"。目前已集成 **Anthropic Claude Opus 4.8 / Sonnet 5、Meta Llama、Mistral、Cohere、Stability AI**,以及 AWS 自研的 **Amazon Nova** 系列模型(含 Nova Pro/Lite/Micro/Canvas/Reel),是企业用 AWS 生态构建 AI 应用的官方入口。
相比 OpenAI API,Bedrock 的差异化在于 **多模型 + 企业级治理**:Bedrock Agents(构建 Agent 工作流)、Knowledge Bases(托管 RAG)、Guardrails(内容安全 + PII 过滤)、Bedrock Studio(低代码开发)、Model Evaluation(模型评估)、Fine-tuning(微调)全部原生集成。数据不出 AWS 账户、VPC 私有网络、IAM 精细权限、SOC/HIPAA/FedRAMP 合规等能力是其在 Fortune 500 中被广泛采购的核心理由。
核心功能
- 多家基础模型:Claude Opus 4.8 / Sonnet 5、Llama、Mistral、Cohere、Stability、Amazon Nova 等统一接入
- Bedrock Agents:原生构建多步骤 Agent 工作流,自动编排函数调用与外部 API
- Knowledge Bases(托管 RAG):连接 S3 / Aurora / OpenSearch 自动向量化检索,开箱即用 RAG
- Guardrails 安全护栏:内容过滤、PII 脱敏、主题拦截、幻觉检测,企业级合规必备
- Model Evaluation:支持自动与人工评估,对不同模型在业务任务上的表现做横向对比
- 私有网络 + IAM:支持 VPC 端点、PrivateLink,数据不出 AWS 账户,IAM 精细权限
- Fine-tuning / 持续预训练:用企业私有数据微调或继续预训练模型,权重仍归客户所有
适合谁用
以下类型的用户会特别受益于 Amazon Bedrock:
- Fortune 500 / 金融 / 医疗等强合规行业的 AI 应用基座
- 需要统一一套 API 调用多家模型、避免绑定单一供应商的团队
- 原本就重度使用 AWS 生态(S3/Lambda/SageMaker)的企业
- 需要 Agent + RAG + Guardrails 端到端能力的生产级场景
- 有 PII、HIPAA、FedRAMP、数据主权要求的项目
优点亮点
- 多模型统一接入,切换成本极低
- 企业级治理能力(Guardrails / IAM / VPC / Audit)行业最完备
- Amazon Nova 系列提供高性价比自家模型
- 与 S3 / Lambda / SageMaker / Aurora 深度集成
- 合规资质全面(SOC 2、HIPAA、FedRAMP、PCI DSS)
- 模型权重与数据完全留在客户 AWS 账户
价格与方案
按模型按 token 计费,无固定订阅。参考价格:Claude Opus 4.8 输入约 $15/M、输出约 $75/M;Claude Sonnet 5 输入 $2-3/M、输出 $10-15/M;Llama 系列 $0.20-$3/M;Amazon Nova Micro 最低输入 $0.035/M、输出 $0.14/M。另计 Knowledge Bases 检索费、Guardrails 调用费、Fine-tuning 训练费。AWS Free Tier 提供部分免费额度。
总结与建议
Amazon Bedrock 是**企业级 AI 应用的"正规军入口"**——统一的多模型 API + 最完整的治理能力 + AWS 生态,让它成为 Fortune 500 落地生成式 AI 的首选。若你在 AWS 上做 AI 应用,Bedrock 几乎是默认选择;独立开发者与创业团队可先从 OpenAI API / OpenRouter 起步,有合规诉求再切到 Bedrock。
版本演进
- Tokenomics at scale: How Jamf built real-time spend enforcem (2026-09-01):As generative AI adoption scales, cost governance becomes a top challenge. Learn how Jamf built real-time, per-user spend enforcement for Amazon Bedrock using IAM Customer Managed Policies, an Amazon
- Migrate agentic workloads to Amazon Bedrock AgentCore (2026-09-03):An agent that works in a notebook is not an agent in production. This post walks through migrating a LangGraph customer support agent to Amazon Bedrock AgentCore in two stages: onto Runtime, Gateway,
- Build observable enterprise agentic retrieval using Managed (2026-08-31):This post builds an enterprise agentic retrieval solution on the Amazon Bedrock Managed Knowledge Base and Amazon Bedrock AgentCore. An agent reasons, routes across multiple knowledge bases, and retur
- Accessing OpenAI models on Amazon Bedrock from Australia wit (2026-09-02):Australian teams can now access OpenAI GPT-5.6 Sol, Terra, and Luna models on Amazon Bedrock with global cross-Region inference from the Asia Pacific (Sydney) and Asia Pacific (Melbourne) Regions. Thi
- Democratizing institutional knowledge: Building an AI-powere (2026-08-24):Learn how to build a customizable, smart-caching knowledge management system on AWS that captures and delivers institutional (tribal) knowledge through a voice-first AI avatar. The accelerator uses Am
- Introducing OpenAI models on Amazon Bedrock for in-country i (2026-08-27):Amazon Bedrock now supports the OpenAI GPT-5.6 models, Terra and Luna, in India with India geographic cross-Region inference. If you have local data processing requirements, you can now use these mode
- Natera’s intelligent appointment scheduling with Amazon Bedr (2026-08-26):Learn how Natera built an automated voice agent on Amazon Bedrock AgentCore that lets patients book mobile phlebotomy appointments through natural conversation. The post covers the dual-WebSocket brid
- Domain and publish date filters for Web Search on AgentCore (2026-08-19):Web Search on Amazon Bedrock AgentCore now supports runtime domain and published-date filtering. New per-request filters give developers per-call control over which web sources their agents consult an
- Introducing cross-Region inference for OpenAI GPT-5.6 models (2026-08-20):Amazon Bedrock now offers OpenAI GPT-5.6 models (Sol, Terra, and Luna) in more than 25 AWS Regions with cross-Region inference. Learn how US geographic and global inference profiles route requests for
- Govern AI agent tool access with Amazon Bedrock AgentCore Ga (2026-08-21):Give your AI agents governed, auditable access to enterprise tools without consolidating infrastructure. This post walks through a four-scope maturity model (Connect, Control, Catalog, and Harden) for