The Cloud Agent Landscape: Three Managed Platforms, One Map

AWS Bedrock AgentCore, Microsoft Foundry Agent Service, and Google’s Agent Platform side by side — what a managed agent platform actually gives you, what you trade away, the seven concepts all three implement under different names, the shape of their meters, and how to pick one without a feature bake-off.

Content current as of 2026-09.

Lessons

  1. Why managed agent platforms exist
  2. The three platforms, side by side
  3. Seven concepts, three vocabularies
  4. The shape of the meter
  5. Picking one: your existing cloud usually wins