diff --git a/metricflow/sql/optimizer/optimization_levels.py b/metricflow/sql/optimizer/optimization_levels.py
index f1f965d73..061e14ca1 100644
--- a/metricflow/sql/optimizer/optimization_levels.py
+++ b/metricflow/sql/optimizer/optimization_levels.py
@@ -23,6 +23,10 @@ class SqlQueryOptimizationLevel(Enum):
     O4 = "O4"
     O5 = "O5"
 
+    @staticmethod
+    def default_level() -> SqlQueryOptimizationLevel:  # noqa: D102
+        return SqlQueryOptimizationLevel.O4
+
 
 @dataclass(frozen=True)
 class SqlGenerationOptionSet: