Weaviate Cloud (WCS) vs AWS RDS PostgreSQL (pgvector) pricing
Across 3 benchmark workloads, Weaviate Cloud (WCS) prices lower in 2 of 3 — by up to ~55% at parity scenarios. It bills serverless capacity, so small workloads stay cheap. Both are compared on identical USD-normalized footprints; verify current rates via each row's provenance date in the full tool.
Monthly Cost Across Realistic Benchmarks
RAG Prototype · 100k×1536 fp32
Weaviate Cloud (WCS): $25.00/mo AWS RDS PostgreSQL (pgvector): $28.00/mo
Cheaper: Weaviate Cloud (WCS)Mid Scale · 1M×768 INT8
Weaviate Cloud (WCS): $25.00/mo AWS RDS PostgreSQL (pgvector): $28.00/mo
Cheaper: Weaviate Cloud (WCS)Large · 5M×768 INT8 10M queries
Weaviate Cloud (WCS): $62.30/mo AWS RDS PostgreSQL (pgvector): $28.00/mo
Cheaper: AWS RDS PostgreSQL (pgvector)