Amazon OpenSearch Service Reserved Instances

Amazon OpenSearch Service (OpenSearch Service) Reserved Instances (RIs) offer significant discounts compared to standard On-Demand Instances. The instances themselves are identical—RIs are just a billing discount applied to On-Demand Instances in your account. For long-lived applications with predictable usage, RIs can provide considerable savings over time. OpenSearch Service RIs require one- or three-year terms and have three payment options that affect the discount rate.

For more information, see Amazon OpenSearch Service Reserved Instances