Otto vs SmythOS
| Otto | SmythOS | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $39/mo |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | No | Yes |
| Deployment model | cloud | — |
| Multi-agent support | Yes | — |
| Knowledge grounding | Yes | — |
Both are listed in Best AI Agent Platforms. On Samsung Mobile US Press, SmythOS scores higher on our published basis.