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Direct Comparison

Weaviate Cloud (WCS) vs DataStax Astra DB Vector pricing

Across 3 benchmark workloads, DataStax Astra DB Vector prices lower in 3 of 3 — by up to ~99% 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 DataStax Astra DB Vector: $0.27/mo
Cheaper: DataStax Astra DB Vector
Mid Scale · 1M×768 INT8
Weaviate Cloud (WCS): $25.00/mo DataStax Astra DB Vector: $1.19/mo
Cheaper: DataStax Astra DB Vector
Large · 5M×768 INT8 10M queries
Weaviate Cloud (WCS): $62.30/mo DataStax Astra DB Vector: $16.34/mo
Cheaper: DataStax Astra DB Vector