diff --git a/onnxslim/utils.py b/onnxslim/utils.py
index 8ca6f23..409fe2d 100644
--- a/onnxslim/utils.py
+++ b/onnxslim/utils.py
@@ -185,8 +185,8 @@ def format_model_info(model_name: str, model_info_list: List[Dict], elapsed_time
         )
     final_op_info.extend(
         (
-            [SEPARATING_LINE],
-            ["Model Info", "Original Model"] + ["Slimmed Model"] * (len(model_info_list) - 1),
+            [SEPARATING_LINE] * (len(model_info_list) + 1),
+            ["Model Info"] + [model_info_list[0].get("tag", "Original Model")] + [item.get("tag", "Slimmed Model") for item in model_info_list[1:]],
             [SEPARATING_LINE] * (len(model_info_list) + 1),
         )
     )
@@ -318,13 +318,15 @@ def get_opset(model: onnx.ModelProto) -> int:
         return None
 
 
-def summarize_model(model: Union[str, onnx.ModelProto]) -> Dict:
+def summarize_model(model: Union[str, onnx.ModelProto], tag=None) -> Dict:
     """Generates a summary of the ONNX model, including model size, operations, and tensor shapes."""
     if isinstance(model, str):
         model = onnx.load(model)
 
     logger.debug("Start summarizing model.")
     model_info = {}
+    if tag != None:
+        model_info["tag"] = tag
 
     model_size = model.ByteSize()
     model_info["model_size"] = model_size