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See how reviewed tools stack up for your needs. Every value comes from a published JAVIS review.
| Feature / criteria |  LangflowAI Agent Frameworks |  LangGraphAI Agent Frameworks |
|---|---|---|
| JAVIS Score | 64 / 100 | 88 / 100 |
| Price | $0 | $39/seat/mo |
| Pricing model | Open source | Open source |
| Free tier | ✓ Yes | ✓ Yes |
| Open source | ✓ Yes | ✓ Yes |
| Our verdict | Free MIT-licensed visual builder for agents, RAG and MCP servers with visible tool calls, but the hosted cloud is gone and an exposed server needs constant patching and lockdown. | LangGraph didn't win the "which agent framework" argument by being the friendliest. It won by being the one that doesn't fall over. |
| Last checked | Oct 23, 2026 | Oct 21, 2026 |
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