Microsoft Foundry Agent Service vs Google Agent Builder & ADK

Side-by-side comparison of the Microsoft Foundry agent stack and the Gemini Enterprise Agent Builder / ADK pairing across governance dimensions.

Dimension	Microsoft Foundry Agent ServiceMicrosoftDocs	Google Agent Builder + ADKGoogleDocs
Vendor	Microsoft	Google
Category	agents	agents
Type	Vendor	Vendor
License	Proprietary	Proprietary service + open source SDK
Status	active	active
Version	—	—
Last release	—	—
Data residency	Yes EU Data Zone pins prompts/responses to EU; Global Standard may cross region. Source	Partial US/EU multi-region controls (CMEK, VPC-SC); not all features single-region. ADK self-hosted is customer-controlled. Source
Deployment	Yes Managed SaaS on Azure; Foundry Local enables on-device/on-prem. (saas, on-prem) Source	Yes Managed Agent Builder on Vertex AI (SaaS); ADK is an Apache-2.0 SDK deployable anywhere. (saas, self-hosted) Source
Audit logging	Yes Audit/RequestResponse/Trace diagnostic logs to Azure Monitor / Log Analytics. Source	Yes Cloud Audit Logs record admin/data operations; Agent Engine supports Cloud Logging/Trace. Source
SOC 2	Yes Azure SOC 2 Type II (semi-annual) covers AI Foundry. Source	Yes Google Cloud / Vertex AI holds SOC 1/2/3. Source
ISO 27001	Yes Covered by Microsoft Azure ISO/IEC 27001 certification. Source	Yes Holds ISO 27001/27017/27018/27701. Source
ISO 42001	Yes Microsoft Foundry is listed in scope for ISO/IEC 42001:2023. Source	Partial Google Cloud holds ISO/IEC 42001 broadly; Agent Builder not individually enumerated in the public scope. Source
EU AI Act	N/A Agent hosting surface; GPAI obligations attach to the underlying model providers and the deployer. (role: not-applicable)	N/A Agent orchestration platform/SDK; GPAI obligations attach to Google as model provider and to deployers. (role: not-applicable)
License risk	Yes Proprietary Azure SaaS; moderate ecosystem lock-in. (medium) Source	Yes Managed layer proprietary (Vertex AI); ADK is Apache-2.0. Blended medium. (medium) Source
Reviewed	2026-05-26	2026-05-26

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Microsoft Foundry Agent Service

Full source-backed governance posture for Microsoft Foundry Agent Service.

Google Agent Builder + ADK

Full source-backed governance posture for Google Agent Builder + ADK.