| Price from | ₹499/mo | $5/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 3 | 3 |
| Spec score · AI Diagram Generators | 8.2 (#10) | 7.9 (#15) |
| Audience | ArchGPT identifies software developers, system architects, business analysts, product managers, students, and educators as users it serves. | The getting-started guide names software developers, DevOps and platform teams, software architects, product and project managers, technical writers, students, and educators as typical users. |
| Privacy | The FAQ says diagrams are processed securely, are not used for training, and are not sold or shared; it says users retain their intellectual property. | The app works in the browser and offline, stores drawings locally by default, and makes cloud sync opt-in. |
| Product | ArchGPT converts plain-English descriptions into professional diagrams that users can download, edit, and share. | LetDraw is a hand-drawn whiteboard for diagrams that explain how software works. |
| Support | The contact page says the team typically replies within 24 hours. | The support page says most requests receive a reply within one business day, with faster replies for Pro and Enterprise. |