LangGraph vs Pydantic AI
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
LangGraph
Open-source graph framework for durable, stateful AI agents
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Pydantic AI
Type-safe Python agent framework built by the Pydantic team
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| RECATOOLS Score | 8.3 / 10 | 8.2 / 10 |
| Capability | ||
| Value for money | ||
| Ease of use | ||
| ASEAN readiness | ||
| API quality | ||
| Pricing | Freemium | Open Source |
| Free tier | — | — |
| Paid from | — | — |
| Has API | ✓ | ✓ |
| Open source | ✓ | ✓ |
| Free to use | ✓ | ✓ |
| Users | — | — |
| Founded | — | — |
| Maker | — | — |
| Verdict | LangGraph has genuine production mileage that most agent frameworks can only cite in a blog post: Klarna's customer-support assistant runs on it at 85 million users, Replit Agent's multi-step app-building flow is built o... |
Pydantic AI is the agent framework built by the team whose validation library already sits inside the OpenAI, Anthropic and Google SDKs, and that pedigree shows: structured output validation and dependency-injected testi... |
| Full review → | Full review → |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.