BigQuery cost controls now let you set a daily maximum for query costs

Google introduced flex slots pricing for BigQuery Read about this new pricing model, how to programmatically get slots & assign them to your project

slot commitments; begin the migration of existing flat-rate and flex slots to the new BigQuery editions; increase the on-demand pricing model

bigquery slot reservation However, this change may result in increased costs for businesses with occasionally-queried projects due to compute slot minimums New Pricing

bigquery slot A slot is a unit of computational power in BigQuery, and serves as the unit of parallelism Queries using this reservation might use more slots during runtime