Pyyan / Compare / Atlas Vector Search vs Milvus
Vector Databases · verified 13 Aug 2026
| Specification | Atlas Vector Search | Milvus |
|---|---|---|
| Summary | Vectors beside the documents they came from. | Built for billions of vectors. |
| Index | HNSW | HNSW, IVF, DiskANN, GPU |
| Hybrid search | Yes | Yes |
| Hosting | Managed | Self-host and managed |
| Licence | Proprietary | Apache 2.0 |
| p50 latency | ~20ms | ~10ms |
| Category | Vector Databases | Vector Databases |
| Official | MongoDB ↗ | Zilliz ↗ |
Highlighted rows are where these differ.
Best for teams already on MongoDB.
Best for very large corpora.