ArchGPT vs LetDraw
| ArchGPT | LetDraw | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $5/mo |
| Open source | No | No |
| Platforms | Web | api, self-hosted, Web |
| Free plan | Yes | Yes |
| Platform | web | web |
| Export formats | PNG, JPEG, SVG, PDF | PNG, SVG, PDF, Mermaid, D2, WebM |
| Mermaid support | — | Yes |
| Real-time collaboration | — | Yes |
| Diagram import | — | Yes |
Both are listed in Best AI Diagram Generators. On Samsung Mobile US Press, LetDraw scores higher on our published basis.