# Agent Development Kit (ADK) vs Pydantic AI (slim)

> Pydantic AI has a score of 80 (A) against Agent Development Kit (ADK)'s 74.9 (BB). Both do agent frameworks. The largest gap is agent ergonomics, 15 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/google-adk-vs-pydantic-ai.md (~1,300 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/google-adk-vs-pydantic-ai.json · canonical https://www.anchorterminal.com/compare/google-adk-vs-pydantic-ai
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

Pydantic AI has a score of 80 (A) against Agent Development Kit (ADK)'s 74.9 (BB). Both do agent frameworks. The largest gap is agent ergonomics, 15 points.

- Agent Development Kit (ADK): BB 74.9, rank #45 of 452 · https://www.anchorterminal.com/tools/google-adk.min.md
- Pydantic AI: A 80, rank #7 of 452 · https://www.anchorterminal.com/tools/pydantic-ai.min.md
- Pick Agent Development Kit (ADK) for security & auth (+12). Pick Pydantic AI for schema & documentation (+8), agent ergonomics (+15), transparency & trust (+7).

| Category | Agent Development Kit (ADK) | Pydantic AI |
| --- | --- | --- |
| Reliability (16%) | 80 | 83 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 87 | 95 |
| Agent ergonomics (13%) | 70 | 85 |
| Security & auth (14%) | 92 | 80 |
| Payments & pricing (10%) | 60 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 87 | 90 |
| Transparency & trust (7%) | 70 | 77 |