# Milvus vs pgvector

Milvus is free, with no paid plan attached. pgvector is free, with no paid plan attached.

| | Milvus | pgvector |
|---|---|---|
| Pricing | Free | Free |
| Free to start | Yes | Yes |
| Category | Code & Development | Code & Development |
| Type | Vector Databases & RAG Infra | Vector Databases & RAG Infra |
| Best for | Cloud-native Apache-2.0 vector database for large-scale similarity search | Open-source vector similarity search extension for Postgres |

## FAQ

### Milvus vs pgvector: what is the difference?

Milvus is free, with no paid plan attached and is listed for cloud-native Apache-2.0 vector database for large-scale similarity search. pgvector is free, with no paid plan attached and is listed for open-source vector similarity search extension for Postgres. Both sit in Vector Databases & RAG Infra.

### Is Milvus or pgvector cheaper to start with?

Neither — Milvus and pgvector are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.

### Which should I choose, Milvus or pgvector?

Choose Milvus if you need cloud-native Apache-2.0 vector database for large-scale similarity search; choose pgvector if you need open-source vector similarity search extension for Postgres. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.

## Related

- [Milvus](https://aitools.flocci.in/tool/milvus)
- [pgvector](https://aitools.flocci.in/tool/pgvector)
- [Milvus alternatives](https://aitools.flocci.in/alternatives/milvus)
- [pgvector alternatives](https://aitools.flocci.in/alternatives/pgvector)
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Source: Flocci AI Tools — https://aitools.flocci.in/compare/milvus-vs-pgvector

Facts last verified: October 2026