Buying Guide · 5,000,000 Vectors

5M Vectors · 768-dim · 10M queries — Cheapest Search

🏆 Best overall: pgvector on Hetzner VPS (Self-Hosted)· runner-up: Qdrant Cloud Managed

Verified 2026-08-31

Product similarity search is read-heavy (10M+ queries/mo). Dedicated Qdrant/Weaviate with INT8 + HNSW amortizes 3× cheaper than serverless RU billing.

Cheapest Vector Databases for this Scale

#1 pgvector on Hetzner VPS (Self-Hosted) $9.15/mo Visit ↗

#2 Qdrant Cloud Managed $11.81/mo Visit ↗

#3 Turbopuffer $17.23/mo Visit ↗

#4 Neon Serverless Postgres (pgvector) $19.00/mo Visit ↗

#5 Supabase Vector (pgvector) $25.03/mo Visit ↗

#6 AWS RDS PostgreSQL (pgvector) $28.00/mo Visit ↗

#7 Cloudflare Vectorize $30.00/mo Visit ↗

#8 Zilliz Cloud (Managed Milvus) $35.81/mo Visit ↗