diff --git a/aider/models.py b/aider/models.py
index 802a351e1..6fa437308 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -550,6 +550,11 @@ MODEL_SETTINGS = [
         "diff-fenced",
         use_repo_map=True,
     ),
+    ModelSettings(
+        "vertex_ai/gemini-pro-experimental",
+        "diff-fenced",
+        use_repo_map=True,
+    ),
     ModelSettings(
         "gemini/gemini-1.5-flash-exp-0827",
         "whole",