Buying Guide · 10,000,000 Vectors

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

🏆 Best overall: Qdrant Cloud Managed

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

Cheapest Vector Databases for this Scale

#1 Cloudflare Vectorize $5.23/mo Visit →

#2 pgvector on Hetzner VPS (Self-Hosted) $8.91/mo Visit →

#3 Qdrant Cloud Managed $10.30/mo Visit →

#4 DataStax Astra DB Vector $10.79/mo Visit →

#5 Turbopuffer $17.66/mo Visit →

#6 Neon Serverless Postgres (pgvector) $25.31/mo Visit →

#7 Zilliz Cloud (Managed Milvus) $25.76/mo Visit →

#8 Supabase Vector (pgvector) $27.50/mo Visit →