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L5 · Orchestration & FrameworksGOOGL

Google Agent Development Kit (ADK)

Google's open-source framework for building, evaluating, and deploying multi-agent AI systems.

Updated April 2026

Overview

Segment
Agent Frameworks & SDKs
Posture
Single-Agent SDKs

Product overview

Google ADK is an open-source toolkit that simplifies developing production-ready single and multi-agent applications with modular hierarchies, rich tool/model ecosystems, built-in evaluation, and flexible deployment.. It powers agents in Google products like Agentspace and Customer Engagement Suite, distinguishing itself through precise orchestration control, multimodal streaming, and seamless Google Cloud integration including Vertex AI. Developers use it for complex, scalable agentic systems across languages like Python, Go, Java..

Revenue model

Open-source and free to use; revenue via Google Cloud usage fees for deployment (e.g., Agent Engine at $0.00994/vCPU-Hr, model tokens as per Vertex AI pricing)., .

Moat

  • Ecosystem Lock-in
  • Proprietary Technology
  • Scale Advantages
  • Platform Effects

Google's Agent Development Kit (ADK) has a key competitive moat through its deep optimization and seamless integration with the Google Cloud ecosystem, including Gemini models, Vertex AI, and enterprise tools like BigQuery and Apigee, enabling superior scalability and connectivity for production-ready agents.