Pydantic AI
Python agent framework from the Pydantic team
MIT-licensed Python agent framework from the Pydantic team, with type-safe outputs and model-agnostic support. v2.0 shipped June 2026.
Best for: Type-safe Python agents in production
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score / 100
- Pricing
- Free (open source); Logfire Team $49/mo optional
- Free tier
- Yes: MIT library; Logfire Personal free
- Open source
- Yes
- Last verified
- 2026-10-15
Score breakdown
- Fit for the use case21 / 25
- Vibe-coder friendliness11 / 15
- Output quality & reliability13 / 15
- Pricing & free tier15 / 15
- Ecosystem & integrations8 / 10
- Momentum8 / 10
- Code ownership & lock-in10 / 10
Why this score: Clean, typed and model-agnostic, with a stable major version. Python-only.
Based on desk research of official pricing pages and docs; see methodology.