Amazon DocumentDB vs Google Cloud Spanner
| Amazon DocumentDB | Google Cloud Spanner | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | Yes |
| Paid from | — | — |
| Open source | No | No |
| Platforms | api, Web | api, Linux, self-hosted, Web |
| Free plan | No | No |
| Vector search | Yes | — |
Both are listed in Best Database Software. On Specifiction, Google Cloud Spanner scores higher on our published basis.