compare
Milvus vs pgvectorscale
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Milvus | pgvectorscale |
|---|---|---|
| Language | Go | Rust |
| Licence | Apache-2.0 | PostgreSQL |
| Stars | 46k | 3.1k |
| Latest | v3.0.2 | 0.9.1 |
| Last push | 2026-10-06 | 2026-10-01 |
| Release cadence | about 5 days between releases | about 98 days between releases |
| Active contributors | 61+ commit authors on the default branch in the last 90 days | 2 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Pinecone. Alternatives to Pinecone →
Full replacementMilvusDistributed vector database for billions of vectors, or embedded as Milvus Lite.
PartialpgvectorscaleAdds a disk-based StreamingDiskANN index and label filtering to pgvector inside PostgreSQL.
Milvus
- v2.6.252026-09-29milvus-2.6.25
- v3.0.22026-09-20milvus-3.0.2
- v2.6.242026-09-16milvus-2.6.24
- client/v3.0.02026-09-18> This is a stable release for Milvus 3.0. It is not guaranteed to be compatible with Milvus 2.6 servers.
- v3.0.12026-09-09milvus-3.0.1
pgvectorscale
- 0.9.12026-09-04This release hardens DiskANN against type confusion and malformed vector datums. Previously, the operator-class SQL ref…
- 0.9.02025-11-04Added support for PG18
- 0.8.02025-07-02v0.8.0
- 0.7.12025-04-22Fixes for poor recall with label filters
- 0.7.02025-03-21Support for Filtered DiskANN, as described in the updated README.md! (Blog post to come.)
Milvus
✓ signed The latest release, v3.0.2, carries a signature GitHub verified.
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pgvectorscale
unsigned The latest release, 0.9.1, carries no signature GitHub could verify.
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