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Direct Comparison

DataStax Astra DB Vector vs AWS OpenSearch Serverless pricing

Across 3 benchmark workloads, DataStax Astra DB Vector prices lower in 3 of 3 — by up to ~100% 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
DataStax Astra DB Vector: $0.27/mo AWS OpenSearch Serverless: $350.42/mo
Cheaper: DataStax Astra DB Vector
Mid Scale · 1M×768 INT8
DataStax Astra DB Vector: $1.19/mo AWS OpenSearch Serverless: $350.43/mo
Cheaper: DataStax Astra DB Vector
Large · 5M×768 INT8 10M queries
DataStax Astra DB Vector: $16.34/mo AWS OpenSearch Serverless: $350.57/mo
Cheaper: DataStax Astra DB Vector