Buying Guide · 10,000,000 Vectors

10M Code Vectors · 768-dim FP16 · 3M queries

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

Verified 2026-09-21

Code embedding (CodeBERT/768) with FP16 halves RAM. Moderate steady reads with frequent upserts, so favor self-host or dedicated with low write amplification.

Cheapest Vector Databases for this Scale

#1 pgvector on Hetzner VPS (Self-Hosted) $9.62/mo Visit ↗

#2 Qdrant Cloud Managed $10.30/mo Visit ↗

#3 Turbopuffer $17.66/mo Visit ↗

#4 Neon Serverless Postgres (pgvector) $25.31/mo Visit ↗

#5 Zilliz Cloud (Managed Milvus) $25.76/mo Visit ↗

#6 Supabase Vector (pgvector) $27.50/mo Visit ↗

#7 Cloudflare Vectorize $30.00/mo Visit ↗

#8 AWS RDS PostgreSQL (pgvector) $30.07/mo Visit ↗