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 from 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 | Open Source | Open Source |
| Free tier | LangGraph library is MIT-licensed and free; LangSmith Developer plan: 1 seat, 5k base traces a month, community support (no managed deployment) | Free and open source (MIT) Python framework; Logfire Personal plan free up to 10M telemetry records/month |
| Paid from | $39/seat/mo (LangSmith Plus, includes deployment) | Framework free, optional Logfire observability from $49/month |
| Has API | ✓ | ✓ |
| Open source | ✓ | ✓ |
| Free to use | ✓ | ✓ |
| Users | — | — |
| Founded | 2024 | 2024 |
| Maker | LangChain | Pydantic Services Inc. |
| Verdict | LangGraph is the framework to reach for when an agent needs real control flow: explicit state, branching, loops, multi-agent hand-offs, checkpoints that survive failures and human approval steps, in Python or JavaScript,... |
Pydantic AI brings the Pydantic team's typing discipline to agents: validated structured outputs, dependency injection for testing, a model-agnostic interface and durable execution on eight engines. Version 2 reorganised... |
| Full review → | Directory listing → |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.