Zilliz Cloud (Managed Milvus) vs AWS RDS PostgreSQL (pgvector) pricing
Zilliz Cloud (Managed Milvus) and AWS RDS PostgreSQL (pgvector) split these benchmark scenarios 1–1 on price — the winner depends on which workload profile matches yours.
Verified 2026-08-31
Monthly Cost Across Realistic Benchmarks
RAG Prototype · 100k×1536 fp32
Zilliz Cloud (Managed Milvus): $0.00/mo AWS RDS PostgreSQL (pgvector): $28.00/mo
Cheaper: Zilliz Cloud (Managed Milvus)Mid Scale · 1M×768 INT8
Zilliz Cloud (Managed Milvus): $20.00/mo AWS RDS PostgreSQL (pgvector): $28.00/mo
Cheaper: Zilliz Cloud (Managed Milvus)Large · 5M×768 INT8 10M queries
Zilliz Cloud (Managed Milvus): $35.81/mo AWS RDS PostgreSQL (pgvector): $28.00/mo
Cheaper: AWS RDS PostgreSQL (pgvector)