Usage cost calculation using Azure Retail Prices API for Azure Speech to Text and Blob Storage

Test Admin 171 Reputation points
2024-06-05T04:22:36.4733333+00:00

We are using Azure subscription with the Standard Tier.

We have a requirement to calculate the monthly usage cost in JPY (Japanese Yen) of the Azure Speech to Text service and Azure Blob Storage in our application. we analyzed the Azure Retail Price API to fetch the retail price of all Azure services. we have some queries regarding price calculation in the Azure portal.

Using the Speech to Text Batch Transcription API, we transcribed a 1-hour audio file. According to the Retail Price API response, the retail price for 1 hour of audio is ¥157.28, but the usage cost reflected in the Azure portal is ¥121.53.

Also for Blob Storage, in the Retail Price API response, we are getting retail prices of various operations (Hot ZRS Write Operations, Hot ZRS Data Stored, Hot ZRS Read Operations, etc.).

Questions:

  1. Why the retail price of the Azure Speech to Text service in the Retail Price API response varying from the usage cost reflected in the Azure portal?
  2. For Azure Blob Storage, in order to achieve the same price calculation as Azure Portal, what are the operations we have to retrieve from the Azure Retail Price API for our own price calculation?

Note: We are performing write, store, and read (using Azure resource) operations for a file in Azure Blob Storage.

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