Multi‑Agent Systems

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Frameworks · ReferenceFramework

Google ADK

Modular, hierarchical workflow agents for the Vertex AI ecosystem.

Scenario Enterprise workflows on Google Cloud / Vertex AILicense Open source (Apache 2.0)
01

Suitability

Best for

Enterprise workflow agents on Google Cloud / Vertex AI.

Watch out

Most mature inside the Google ecosystem; less portable elsewhere.

02

Architecture & integrations

Hierarchical workflow architecture, primarily for Vertex AI. Enterprise solutions, Google Cloud infrastructures.

03

Technical profile

Approach
Modular, hierarchical, workflow agents.
Control & learning curve
Medium learning curve. Clear developer guide for routing and workflows.
Performance
Scalable; the same framework powering Google's Agentspace and Customer Engagement Suite.
04

Pattern support

RoutingSequential PipelineHITL Gate
NativeComposable / supportingColor = ladder level L1–L4
Native patterns: Pipeline, Routing, HITL
Read on

Related frameworks

Closest options — by shared native patterns and same stack layer.

Framework

Semantic Kernel

Enterprise SDK for .NET/Java/Python; skills and planners under Microsoft/Azure governance.

Shares Sequential Pipeline · RoutingView →Framework

CrewAI

Role-based 'Crews' of agents; flat abstraction over team-shaped workflows.

Shares Sequential PipelineView →Framework

MetaGPT

SOP-based multi-agent metaprogramming that simulates an IT company.

Shares Sequential PipelineView →

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