LangGraph vs Pydantic AI vs AutoGen by Microsoft vs CrewAI
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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AutoGen by Microsoft
Microsoft's open-source multi-agent framework, now in maintenance mode
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CrewAI
Open-source framework and enterprise platform for teams of AI agents
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| RECATOOLS Score | 8.3 / 10 | 8.2 / 10 | 7.5 / 10 | 7.6 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Open Source | Open Source | 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 | Free and open source (MIT code); maintenance mode, no new features | MIT-licensed framework free to self-host; hosted Basic plan free with 50 workflow executions a month |
| Paid from | $39/seat/mo (LangSmith Plus, includes deployment) | Framework free, optional Logfire observability from $49/month | — | Enterprise platform quoted on request, with a trial |
| Has API | ✓ | ✓ | ✓ | ✓ |
| Open source | ✓ | ✓ | ✓ | ✓ |
| Free to use | ✓ | ✓ | ✓ | ✓ |
| Users | — | — | — | 20m+ downloads |
| Founded | 2024 | 2024 | 2023 | 2023 |
| Maker | LangChain | Pydantic Services Inc. | Microsoft | Joao Moura |
| 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... |
AutoGen helped make multi-agent LLM programming practical, with conversational agents, group-chat orchestration, tool calls and sandboxed code execution, and it still installs and runs under the MIT licence.It is now in... |
CrewAI is one of the more approachable ways to build multi-agent systems in Python: role-based agents organised into crews, flows for deterministic control, an MIT licence and a fast release cadence. The enterprise platf... |
| Full review → | Directory listing → | Full review → | Directory listing → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.