Pyyan / Compare / Milvus vs pgvector
Vector Databases · verified 13 Aug 2026
| Specification | Milvus | pgvector |
|---|---|---|
| Summary | Built for billions of vectors. | Vectors inside the database you already run. |
| Index | HNSW, IVF, DiskANN, GPU | HNSW, IVFFlat |
| Hybrid search | Yes | Yes, with SQL |
| Hosting | Self-host and managed | Self-host or any managed Postgres |
| Licence | Apache 2.0 | PostgreSQL |
| p50 latency | ~10ms | ~15ms |
| Category | Vector Databases | Vector Databases |
| Official | Zilliz ↗ | PostgreSQL ↗ |
Highlighted rows are where these differ.
Best for very large corpora.
Best for almost everyone, until scale says otherwise.