These tools competes with
pgvectorvsMilvus
PostgreSQL extension for vector similarity search versus Distributed vector database built for scale
Compare interactively in Explore →Choose pgvector when…
- •You're already on PostgreSQL
- •You want vector search without a separate database
- •SQL queries combined with embedding search are needed
Choose Milvus when…
- •You're running large-scale, high-volume vector search
- •You need a dedicated open-source vector DB for production
- •Billion-scale vector indexing is a requirement
Side-by-side comparison
Field
pgvector
Milvus
Category
LLM Infrastructure
LLM Infrastructure
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
—
Zilliz Cloud: Usage-based
GitHub Stars
⭐ 13,000
⭐ 31,000
Health
●75 — Active
●80 — Active
pgvector
Adds vector similarity search to PostgreSQL. Perfect for teams already on Postgres who don't want to manage a separate vector DB.
Shared Connections2 tools both integrate with
Only pgvector (5)
LangGraphLangChainLlamaIndexMilvusRedis Vector
Only Milvus (2)
Weaviatepgvector
Explore the full AI landscape
See how pgvector and Milvus fit into the bigger picture — 207 tools, 452 relationships, all mapped.