Hi @Swetha Marakani yes, there is a difference in the DBU charges for jobs and all-purpose(interactive) clusters. This is based on the features they have. You can get more information from the below docs.
https://azure.microsoft.com/en-in/pricing/details/databricks/
https://www.databricks.com/product/aws-pricing
https://www.databricks.com/product/azure-pricing
