diff --git a/open_notebook/domain/models.py b/open_notebook/domain/models.py
index d66ad19..9cb84ca 100644
--- a/open_notebook/domain/models.py
+++ b/open_notebook/domain/models.py
@@ -36,6 +36,7 @@ class DefaultModels(RecordModel):
     default_speech_to_text_model: Optional[str] = None
     # default_vision_model: Optional[str] = None
     default_embedding_model: Optional[str] = None
+    default_tools_model: Optional[str] = None
 
 
 class ModelManager:
@@ -94,7 +95,7 @@ class ModelManager:
 
     def refresh_defaults(self):
         """Refresh the default models from the database"""
-        self._default_models = DefaultModels.load()
+        self._default_models = DefaultModels()
 
     @property
     def defaults(self) -> DefaultModels:
@@ -146,6 +147,10 @@ class ModelManager:
                 self.defaults.default_transformation_model
                 or self.defaults.default_chat_model
             )
+        elif model_type == "tools":
+            model_id = (
+                self.defaults.default_tools_model or self.defaults.default_chat_model
+            )
         elif model_type == "embedding":
             model_id = self.defaults.default_embedding_model
         elif model_type == "text_to_speech":
diff --git a/pages/7_⚙️_Settings.py b/pages/7_⚙️_Settings.py
index 0d93594..aad2132 100644
--- a/pages/7_⚙️_Settings.py
+++ b/pages/7_⚙️_Settings.py
@@ -2,7 +2,7 @@ import os
 
 import streamlit as st
 
-from open_notebook.domain.models import DefaultModels, Model
+from open_notebook.domain.models import DefaultModels, Model, model_manager
 from open_notebook.models import MODEL_CLASS_MAP
 from pages.stream_app.utils import setup_page
 
@@ -118,7 +118,7 @@ def get_selected_index(models, model_id, default=0):
 
 
 with model_defaults_tab:
-    default_models = DefaultModels.load().model_dump()
+    default_models = DefaultModels().model_dump()
     all_models = Model.get_all()
     text_generation_models = [model for model in all_models if model.type == "language"]
 
@@ -154,7 +154,16 @@ with model_defaults_tab:
             text_generation_models, default_models.get("default_transformation_model")
         ),
     )
-    st.caption("You can override this model on individual transformations")
+    st.divider()
+    defs["default_tools_model"] = st.selectbox(
+        "Default Tools Model",
+        text_generation_models,
+        format_func=lambda x: x.name,
+        help="This model will be used for calling tools. Currently, it's best to use Open AI and Anthropic for this.",
+        index=get_selected_index(
+            text_generation_models, default_models.get("default_tools_model")
+        ),
+    )
     st.divider()
     defs["large_context_model"] = st.selectbox(
         "Large Context Model",
@@ -216,4 +225,5 @@ with model_defaults_tab:
     for k, v in defs.items():
         if v:
             defs[k] = v.id
-    DefaultModels.update(defs)
+    DefaultModels().update(defs)
+    model_manager.refresh_defaults()