AutoGen by Microsoft vs CrewAI vs LangGraph vs Pydantic AI
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
AutoGen by Microsoft
Microsoft's open-source multi-agent framework
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CrewAI
Framework for orchestrating teams of AI agents
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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 | 7.5 / 10 | 7.6 / 10 | 8.3 / 10 | 8.2 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Open Source | Open Source | Freemium | Open Source |
| Free tier | — | Fully free open source framework | — | — |
| Paid from | — | — | — | — |
| Has API | ✓ | ✓ | ✓ | ✓ |
| Open source | ✓ | ✓ | ✓ | ✓ |
| Free to use | ✓ | ✓ | ✓ | ✓ |
| Users | — | 20m+ downloads | — | — |
| Founded | 2023 | 2023 | — | — |
| Maker | — | Joao Moura | — | — |
| Verdict | AutoGen is Microsoft's open-source framework for building multi-agent LLM applications, enabling agents that converse, use tools, and collaborate to solve tasks, with an event-driven core, AgentChat layer, and Studio UI.... |
CrewAI is the most-starred open-source framework for building multi-agent systems — spin up agents with roles, goals and tools, then orchestrate them into "crews" or sequential flows. Version 1.14 (April 2026) dropped th... |
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 → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.