Google Agent Development Kit

Google's open-source, code-first toolkit for building agents.

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What it does

ADK builds, evaluates and deploys single and multi-agent systems, optimized for Gemini and Vertex AI but model-agnostic.

Pricing

Open source (Apache-2.0)

Best for

Gemini/Vertex agents
Multi-agent hierarchies

Appears in

Best AI Agent Frameworks

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HTML (websites)

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Markdown (GitHub README)

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