Hi @LonguiVic1 ,

You can use system table to track consumption in serverless. In below article they even provide sample queries you can use. Also, notice that there's list_prices system table that includes list prices over time for each available SKU. You can join the usage table to view the listing cost of certain usage.

Monitor the cost of serverless compute - Azure Databricks | Microsoft Learn

And if you have an access to account console there's is this Usage section that allows you to setup dedicated dashboard that you can use to analyze tag attribution and identify cost drivers. 
All the usages in the dashboard are calculated based on the effective list price in USD