KDB.AI vs Vespa
| KDB.AI | Vespa | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | Yes |
| Paid from | Free | $0.05/mo |
| Open source | No | No |
| Platforms | api, self-hosted, Web | api, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | No |
| Deployment | both | both |
| Hybrid search | Yes | Yes |
| Metadata filtering | Yes | Yes |
| Sparse vectors | Yes | Yes |
| Index types | Flat, qFlat, IVF, IVFPQ, HNSW, qHNSW, BM25 | HNSW |
| SDK languages | Python, q | Python, Java |
Both are listed in Best Vector Databases. On Samsung Mobile US Press, KDB.AI scores higher on our published basis.