- vendor
- Google
- whatItIs
- Open-source multi-language agent framework from Google for building, debugging, and deploying multi-agent systems with graph-based workflows, A2A protocol support, and flexible deployment.
- hosting
- both
- pricingModel
- open-source (Apache 2.0); inference billed separately via Gemini/Vertex AI or any provider
- modelProviders
- multi-model (optimized for Gemini; model-agnostic by design)
- stateModel
- in-process + graph-based workflow state
- toolModel
- function-calling + MCP + A2A protocol
- includesBrowser
- false
- includesMemory
- false
- longRunning
- caller-managed
- hitlSupport
- true
- observability
- built-in evaluation + OTEL-compatible tracing
- maturity
- ga
- launched
- 2025-Q2
- notes
- Available in Python, TypeScript, Go, Java, and Kotlin. Distinct from the Gemini Enterprise Agent Platform (which bundles ADK alongside Agent Studio and managed hosting). ADK itself runs anywhere: local, container, or Cloud Run. Native A2A protocol for multi-agent coordination.
