The price of a given DBU is determined based on the level of resources required to run a specific task in the Databricks environment. This is calculated based on the type of workload being performed and the resources required to complete the task.
Databricks offers different pricing tiers based on the number of resources required, with higher tiers offering more resources at a higher cost. Users can choose the pricing tier that best meets their needs, and they only pay for the resources they use.