Nucleus vs Shelf
| Nucleus | Shelf | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | api, Web | Web |
| AI answer mode | both | both |
| Permission controls | role_based | role_based |
| Supported content | documents_apps_and_web | documents_and_apps |
| Content sync | — | scheduled |
Both are listed in Best AI Knowledge Base Software. On Freedom251, Shelf scores higher on our published basis.