ArchGPT vs OnUML
| ArchGPT | OnUML | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | Yes | Yes |
| Platform | web | web |
| Export formats | PNG, JPEG, SVG, PDF | PNG, SVG |
| Mermaid support | — | Yes |
Both are listed in Best AI Diagram Generators. On Samsung Mobile US Press, ArchGPT scores higher on our published basis.