diff --git a/doc/source/admin/galaxy_options.rst b/doc/source/admin/galaxy_options.rst
index 52a3303f1647..cfa680d8ffa7 100644
--- a/doc/source/admin/galaxy_options.rst
+++ b/doc/source/admin/galaxy_options.rst
@@ -5373,6 +5373,15 @@
 :Default: ``None``
 :Type: str
 
+~~~~~~~~~~~~~~~~~~
+``openai_model``
+~~~~~~~~~~~~~~~~~~
+
+:Description:
+    Model for OpenAI (https://openai.com/) to enable the chat wizard
+:Default: ``GPT-4o``
+:Type: str
+
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 ``enable_tool_recommendations``
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/lib/galaxy/config/sample/galaxy.yml.sample b/lib/galaxy/config/sample/galaxy.yml.sample
index e0aa04c6c346..bb68212bb4e2 100644
--- a/lib/galaxy/config/sample/galaxy.yml.sample
+++ b/lib/galaxy/config/sample/galaxy.yml.sample
@@ -2884,6 +2884,9 @@ galaxy:
   # API key for OpenAI (https://openai.com/) to enable the wizard
   #openai_api_key: null
 
+  # Model for OpenAI (https://openai.com/) to enable the wizard
+  #openai_model: GPT-4o
+
   # Allow the display of tool recommendations in workflow editor and
   # after tool execution. If it is enabled and set to true, please
   # enable 'tool_recommendation_model_path' as well
diff --git a/lib/galaxy/config/schemas/config_schema.yml b/lib/galaxy/config/schemas/config_schema.yml
index 50317e557dfc..acc43aaf59d4 100644
--- a/lib/galaxy/config/schemas/config_schema.yml
+++ b/lib/galaxy/config/schemas/config_schema.yml
@@ -3929,6 +3929,13 @@ mapping:
         desc: |
           OpenAI API key to enable the wizard.
 
+      openai_model:
+        type: str
+        default: GPT-4o
+        required: false
+        desc: |
+          OpenAI model to enable the wizard.
+
       enable_tool_recommendations:
         type: bool
         default: false
diff --git a/lib/galaxy/webapps/galaxy/api/chat.py b/lib/galaxy/webapps/galaxy/api/chat.py
index 21f141c8ad2a..eae9f81ce573 100644
--- a/lib/galaxy/webapps/galaxy/api/chat.py
+++ b/lib/galaxy/webapps/galaxy/api/chat.py
@@ -67,7 +67,7 @@ def query(self, query: ChatPayload, trans: ProvidesUserContext = DependsOnTrans)
         log.debug(f"CHATGPTmessages: {messages}")
 
         response = openai.chat.completions.create(
-            model="gpt-4o",
+            model= config.openai_chat_model,
             messages=messages,
         )
         print(response)