diff --git a/packages/openstef-meta/src/openstef_meta/presets/forecasting_workflow.py b/packages/openstef-meta/src/openstef_meta/presets/forecasting_workflow.py
index 11e00db7c..fb84e290e 100644
--- a/packages/openstef-meta/src/openstef_meta/presets/forecasting_workflow.py
+++ b/packages/openstef-meta/src/openstef_meta/presets/forecasting_workflow.py
@@ -72,6 +72,7 @@
 )
 from openstef_models.utils.data_split import DataSplitter
 from openstef_models.utils.feature_selection import Exclude, FeatureSelection, Include
+from openstef_models.workflows.callbacks import ModelPerformanceCallback
 from openstef_models.workflows.custom_forecasting_workflow import (
     CustomForecastingWorkflow,
     ForecastingCallback,
@@ -300,6 +301,17 @@ class EnsembleForecastingWorkflowConfig(BaseConfig):
         description="Penalty to apply to the old model's metric to bias selection towards newer models.",
     )
 
+    model_performance_callback_enabled: bool = Field(
+        default=False,
+        description=(
+            "Whether to enable the ModelPerformanceCallback that evaluates model performance at the end of fitting."
+        ),
+    )
+    model_performance_callback_metric_threshold: tuple[QuantileOrGlobal, str, MetricDirection, float] = Field(
+        default=(Q(0.5), "R2", "higher_is_better", 0.0),
+        description=("Metric to monitor for model performance threshold at the end of fitting. "),
+    )
+
     verbosity: Literal[0, 1, 2, 3, True] = Field(
         default=0, description="Verbosity level. 0=silent, 1=warning, 2=info, 3=debug"
     )
@@ -594,6 +606,17 @@ def create_ensemble_forecasting_workflow(config: EnsembleForecastingWorkflowConf
             )
         )
 
+    if config.model_performance_callback_enabled:
+        quantile, metric_name, metric_direction, threshold = config.model_performance_callback_metric_threshold
+        callbacks.append(
+            ModelPerformanceCallback(
+                metric_name=metric_name,
+                threshold=threshold,
+                metric_direction=metric_direction,
+                quantile=quantile,
+            )
+        )
+
     return CustomForecastingWorkflow(
         model=EnsembleForecastingModel(
             preprocessing=common_preprocessing,
diff --git a/packages/openstef-models/src/openstef_models/presets/forecasting_workflow.py b/packages/openstef-models/src/openstef_models/presets/forecasting_workflow.py
index 4608faef5..a5a09ae0f 100644
--- a/packages/openstef-models/src/openstef_models/presets/forecasting_workflow.py
+++ b/packages/openstef-models/src/openstef_models/presets/forecasting_workflow.py
@@ -30,6 +30,7 @@
 from openstef_models.integrations.mlflow import MLFlowStorage, MLFlowStorageCallback
 from openstef_models.mixins import ModelIdentifier
 from openstef_models.models import ForecastingModel
+from openstef_models.models.forecasting.constant_quantile_forecaster import ConstantQuantileForecaster
 from openstef_models.models.forecasting.flatliner_forecaster import FlatlinerForecaster
 from openstef_models.models.forecasting.gblinear_forecaster import GBLinearForecaster, GBLinearHyperParams
 from openstef_models.models.forecasting.lgbm_forecaster import LGBMForecaster, LGBMHyperParams
@@ -65,6 +66,7 @@
 )
 from openstef_models.utils.data_split import DataSplitter
 from openstef_models.utils.feature_selection import Exclude, FeatureSelection, Include
+from openstef_models.workflows.callbacks import ModelPerformanceCallback
 from openstef_models.workflows.custom_forecasting_workflow import (
     CustomForecastingWorkflow,
     ForecastingCallback,
@@ -116,7 +118,7 @@ class ForecastingWorkflowConfig(BaseConfig):  # PredictionJob
     )
 
     # Model configuration
-    model: Literal["xgboost", "gblinear", "flatliner", "median", "lgbm", "lgbmlinear"] = Field(
+    model: Literal["xgboost", "gblinear", "flatliner", "median", "constant_quantile", "lgbm", "lgbmlinear"] = Field(
         description="Type of forecasting model to use."
     )
     quantiles: list[Quantile] = Field(
@@ -287,6 +289,17 @@ class ForecastingWorkflowConfig(BaseConfig):  # PredictionJob
         description="Penalty to apply to the old model's metric to bias selection towards newer models.",
     )
 
+    model_performance_callback_enabled: bool = Field(
+        default=False,
+        description=(
+            "Whether to enable the ModelPerformanceCallback that evaluates model performance at the end of fitting."
+        ),
+    )
+    model_performance_callback_metric_threshold: tuple[QuantileOrGlobal, str, MetricDirection, float] = Field(
+        default=(Q(0.5), "R2", "higher_is_better", 0.0),
+        description=("Metric to monitor for model performance threshold at the end of fitting. "),
+    )
+
     verbosity: Literal[0, 1, 2, 3, True] = Field(
         default=0, description="Verbosity level. 0=silent, 1=warning, 2=info, 3=debug"
     )
@@ -492,6 +505,13 @@ def create_forecasting_workflow(
             horizons=config.horizons,
         )
         postprocessing = []
+    elif config.model == "constant_quantile":
+        preprocessing = []
+        forecaster = ConstantQuantileForecaster(
+            quantiles=config.quantiles,
+            horizons=config.horizons,
+        )
+        postprocessing = []
     elif config.model == "flatliner":
         preprocessing = []
         forecaster = FlatlinerForecaster(
@@ -530,6 +550,17 @@ def create_forecasting_workflow(
             )
         )
 
+    if config.model_performance_callback_enabled:
+        quantile, metric_name, metric_direction, threshold = config.model_performance_callback_metric_threshold
+        callbacks.append(
+            ModelPerformanceCallback(
+                metric_name=metric_name,
+                threshold=threshold,
+                metric_direction=metric_direction,
+                quantile=quantile,
+            )
+        )
+
     return CustomForecastingWorkflow(
         model=ForecastingModel(
             preprocessing=TransformPipeline(transforms=preprocessing),
diff --git a/packages/openstef-models/src/openstef_models/workflows/callbacks/__init__.py b/packages/openstef-models/src/openstef_models/workflows/callbacks/__init__.py
index 57a25eb92..aaf26ce55 100644
--- a/packages/openstef-models/src/openstef_models/workflows/callbacks/__init__.py
+++ b/packages/openstef-models/src/openstef_models/workflows/callbacks/__init__.py
@@ -5,5 +5,9 @@
 """Workflow callbacks for data capture, persistence, and debugging."""
 
 from openstef_models.workflows.callbacks.data_save import DataSaveCallback
+from openstef_models.workflows.callbacks.model_performance_callback import ModelPerformanceCallback
 
-__all__ = ["DataSaveCallback"]
+__all__ = [
+    "DataSaveCallback",
+    "ModelPerformanceCallback",
+]