Claude Agent SDK vs Google ADK

Pick two tools from the same category to compare side-by-side.

	Claude Agent SDK Anthropic's official SDK for building production agents on Claude.	Google ADK Open-source, code-first toolkit from Google for building, evaluating, and deploying AI agents.
Category	framework	framework
Vendor type	commercial	hybrid
Pricing	free	freemium
Strengths	+ First-class Claude features (prompt caching, extended thinking) + Designed around production agent patterns + Compatible with the Skills standard	+ Code-first design with explicit control over orchestration and tools + Native multi-agent composition and delegation + Built-in evaluation and local dev CLI (adk run, adk web) + Backed by Google with paths to managed Vertex AI deployment
Tradeoffs	− Claude-only (cross-provider needs a gateway like Portkey)	− Newer framework with a smaller community than longer-established options − Strongest ergonomics within the Google/Gemini and Cloud ecosystem
Used in stacks	9	0