You can view the billing details of an OpenSearch Retrieval Engine Edition instance in the Alibaba Cloud Console. The billing details include costs of the instance rental, the Query Result Searcher (QRS) workers, and the Searcher workers.
Procedure
1. Log on to the Alibaba Cloud Console.
2. In the upper-right corner of the page, choose Expenses > Bills.
3. In the left-side navigation pane, choose Bill > Bill Details.
4. In the Product Detail column, select OpenSearch - Retrieval Engine Edition Pay-As-You-Go.
5. Find an order that you want to view and click View Details in the Actions column.