Nilotpol Patgiri You can consider the following approaches.
Approach1: Get the Cost by Resource --> And apply the filter based on the Usage, Product and Resource as shown below:
Approach2: Leverage the Azure Open AI Metrics to check the usage and you can calculate the cost and pricing using pricing calculator:
Then apply the filter for the Requests metrics and the API Name and Operation Name:
Do let me know if you have any further queries.