| Price from | $10/mo | $15/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | — | Yes |
| Plans published | 8 | 4 |
| Spec score · Research Paper Discovery Tools | 7.9 (#8) | 7.7 (#13) |
| Spec score · AI Search Engines | 8.0 (#11) | 7.8 (#16) |
| Privacy | The site says uploaded PDFs and conversations are automatically deleted after one day, and PDFs have a 20 MB size limit. | The privacy policy says Undermind does not sell personal data or share it for cross-context behavioral advertising. |
| Support | Team and institution plans include dedicated customer and user support; institutional plans also include training, workshops, and webinars. | The Team plan includes priority customer support, while Enterprise includes dedicated support; the site lists [email protected]. |