Azure AI Search vs AWS OpenSearch Serverless pricing
Across 3 benchmark workloads, Azure AI Search prices lower in 3 of 3 — by up to ~79% 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
Azure AI Search: $73.73/mo AWS OpenSearch Serverless: $350.42/mo
Cheaper: Azure AI SearchMid Scale · 1M×768 INT8
Azure AI Search: $73.73/mo AWS OpenSearch Serverless: $350.43/mo
Cheaper: Azure AI SearchLarge · 5M×768 INT8 10M queries
Azure AI Search: $245.28/mo AWS OpenSearch Serverless: $350.57/mo
Cheaper: Azure AI Search