Head to head
Supabase Vector (pgvector) vs Zilliz Cloud (Milvus)
As a vector database API, Zilliz Cloud (Milvus) rates higher on the APIbenchmarks Index, 85.4 to 85.2, a 0.2-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Supabase Vector (pgvector) | Zilliz Cloud (Milvus) |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 85.2 | 85.4 |
Specifications
| Supabase Vector (pgvector) | Zilliz Cloud (Milvus) | |
|---|---|---|
| Best for | Postgres-native embeddings, no separate service | Managed Milvus at billion-vector scale |
| Free tier | Free project: 500MB DB, pgvector included | 5GB storage + compute credits, permanent free tier |
| Pricing | Bundled in Postgres plan (storage-based) | Per compute-unit-hour + storage |
| Official SDKs | 7 languages | 9 languages |
Is Supabase Vector (pgvector) better than Zilliz Cloud (Milvus)?
On the APIbenchmarks Index, Zilliz Cloud (Milvus) rates higher (85.4 vs 85.2). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.