A side-by-side of two agent frameworks for building AI agents — live GitHub data, languages, and what each is best at.
| Claude Agent SDK | Pydantic AI | |
|---|---|---|
| GitHub stars | ★ 7.4k | ★ 18k |
| Language | Python | Python |
| Category | Agent frameworks | Agent frameworks |
| Best for | Claude-native agents | type-safe agents |
| Repository | anthropics/claude-agent-sdk-python | pydantic/pydantic-ai |
Claude Agent SDK and Pydantic AI are both credible choices. By community traction, Pydantic AI leads (★ 18k). Pick Claude Agent SDK for Claude-native agents; pick Pydantic AI for type-safe agents.
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