Theory
There is no winner — there's a fit
All three platforms can run a modern analytics stack well. The right choice depends on your workload shape, team and existing cloud, not a benchmark tweet. Decide along these axes:
- Workload centre of gravity — Mostly SQL/BI with strict concurrency isolation? Snowflake shines (warehouses, ease, near-zero ops). Heavy data science / ML / streaming + open formats? Databricks (Spark-native, Delta, notebooks). Spiky, ad-hoc, Google-ecosystem analytics with zero ops? BigQuery.
- Open vs managed storage — Databricks keeps data as open Parquet/Delta in your lake (portability, multi-engine). Snowflake and BigQuery store it in their managed format (more turnkey, more lock-in). How much do you value being able to leave?
- Cost model fit — Snowflake bills per-warehouse-second (idle = auto-suspend). BigQuery on-demand bills per byte scanned (layout-sensitive) or flat slots. Databricks bills DBUs per compute-second on top of cloud VM cost. Match the model to your usage pattern: bursty ad-hoc → BigQuery on-demand; steady BI → Snowflake/reservations.
- Cloud & ecosystem — Already deep in GCP? BigQuery is frictionless. Multi-cloud or AWS/Azure-first? Snowflake (runs on all three) or Databricks. Existing Spark talent? Databricks.
Use Case Example: A GCP-native startup with bursty ad-hoc analytics and no Spark team picks BigQuery. A bank with heavy ML, open-format mandates and a Spark org picks Databricks. A multi-cloud enterprise that wants effortless SQL with strict per-team isolation picks Snowflake. None is 'wrong'.