Pricing

Amazon OpenSearch Service pricing

As aws.amazon.com lists them, read 7 Oct 2026. The maker's own page has the final word.

Plan	Billed and limits	Price
Pay as you go	Managed clusters are charged for instance hours, storage, and data transfer; Serverless is charged separately for compute and storage based on usage. · No minimum fee or usage requirement · Pricing depends on deployment model, instance type, storage tier, and usage	On request