AWS RDS PostgreSQL (pgvector) vs Azure AI Search pricing
Across 3 benchmark workloads, AWS RDS PostgreSQL (pgvector) prices lower in 3 of 3 — by up to ~89% at parity scenarios. It uses fixed-capacity plans, so steady workloads amortize the floor. 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
AWS RDS PostgreSQL (pgvector): $28.00/mo Azure AI Search: $73.73/mo
Cheaper: AWS RDS PostgreSQL (pgvector)Mid Scale · 1M×768 INT8
AWS RDS PostgreSQL (pgvector): $28.00/mo Azure AI Search: $73.73/mo
Cheaper: AWS RDS PostgreSQL (pgvector)Large · 5M×768 INT8 10M queries
AWS RDS PostgreSQL (pgvector): $28.00/mo Azure AI Search: $245.28/mo
Cheaper: AWS RDS PostgreSQL (pgvector)