diff --git a/onnxslim/third_party/onnx_graphsurgeon/exporters/onnx_exporter.py b/onnxslim/third_party/onnx_graphsurgeon/exporters/onnx_exporter.py
index 3c021aa..94671a4 100644
--- a/onnxslim/third_party/onnx_graphsurgeon/exporters/onnx_exporter.py
+++ b/onnxslim/third_party/onnx_graphsurgeon/exporters/onnx_exporter.py
@@ -363,6 +363,9 @@ def export_onnx(graph: Graph, do_type_check=True, **kwargs) -> "onnx.ModelProto"
     if "opset_imports" not in kwargs:
         kwargs["opset_imports"] = update_import_domains(graph)
 
+    if "ir_version" not in kwargs and graph.ir_version is not None:
+        kwargs["ir_version"] = graph.ir_version
+
     model = onnx.helper.make_model(onnx_graph, **kwargs)
     model.producer_name = graph.producer_name
     model.producer_version = graph.producer_version
diff --git a/onnxslim/third_party/onnx_graphsurgeon/importers/onnx_importer.py b/onnxslim/third_party/onnx_graphsurgeon/importers/onnx_importer.py
index c1dcbbf..26e3d8d 100644
--- a/onnxslim/third_party/onnx_graphsurgeon/importers/onnx_importer.py
+++ b/onnxslim/third_party/onnx_graphsurgeon/importers/onnx_importer.py
@@ -210,6 +210,14 @@ def get_import_domains(model_or_func: Union[onnx.ModelProto, onnx.FunctionProto]
         """Retrieves the import domains from an ONNX model or function."""
         return model_or_func.opset_import
 
+    @staticmethod
+    def get_ir_version(model_or_func: Union[onnx.ModelProto, onnx.FunctionProto]):
+        """Retrieves the ir_version from an ONNX model or function."""
+        try:
+            return model_or_func.ir_version
+        except Exception:
+            return None
+
     @staticmethod
     def import_tensor(onnx_tensor: Union[onnx.ValueInfoProto, onnx.TensorProto, onnx.SparseTensorProto]) -> Tensor:
         """Converts an ONNX tensor into a corresponding internal Tensor representation."""
@@ -397,6 +405,7 @@ def import_graph(
         tensor_map: "OrderedDict[str, Tensor]" = None,
         opset=None,
         import_domains: onnx.OperatorSetIdProto = None,
+        ir_version=None,
         producer_name: str = None,
         producer_version: str = None,
         functions: List[Function] = None,
@@ -495,6 +504,7 @@ def get_tensor(
             producer_version=producer_version,
             opset=opset,
             import_domains=import_domains,
+            ir_version=ir_version,
             functions=functions,
         )
 
@@ -510,6 +520,7 @@ def import_onnx(onnx_model: "onnx.ModelProto") -> Graph:
         Graph: A corresponding onnx-graphsurgeon Graph.
     """
     model_opset = OnnxImporter.get_opset(onnx_model)
+    model_ir_version = OnnxImporter.get_ir_version(onnx_model)
     model_import_domains = OnnxImporter.get_import_domains(onnx_model)
     functions: List[Function] = [
         OnnxImporter.import_function(
@@ -534,6 +545,7 @@ def import_onnx(onnx_model: "onnx.ModelProto") -> Graph:
         onnx_model.graph,
         opset=model_opset,
         import_domains=model_import_domains,
+        ir_version=model_ir_version,
         producer_name=onnx_model.producer_name,
         producer_version=onnx_model.producer_version,
         functions=functions,
diff --git a/onnxslim/third_party/onnx_graphsurgeon/ir/graph.py b/onnxslim/third_party/onnx_graphsurgeon/ir/graph.py
index 414c47d..4d5bcf3 100644
--- a/onnxslim/third_party/onnx_graphsurgeon/ir/graph.py
+++ b/onnxslim/third_party/onnx_graphsurgeon/ir/graph.py
@@ -106,6 +106,7 @@ def __init__(
         doc_string=None,
         opset=None,
         import_domains=None,
+        ir_version=None,
         producer_name: str = None,
         producer_version: str = None,
         functions: "Sequence[Function]" = None,
@@ -133,6 +134,7 @@ def __init__(
         self.producer_name = misc.default_value(producer_name, "")
         self.producer_version = misc.default_value(producer_version, "")
         self.import_domains = import_domains
+        self.ir_version = ir_version
         # For layer() function
         self.name_idx = 0
 
diff --git a/onnxslim/utils.py b/onnxslim/utils.py
index 561114b..2da545c 100644
--- a/onnxslim/utils.py
+++ b/onnxslim/utils.py
@@ -177,11 +177,13 @@ def format_model_info(model_name: str, model_info_list: List[Dict], elapsed_time
                 ["Model Name", model_name],
                 [SEPARATING_LINE],
                 ["Op Set ", model_info_list[0]["op_set"]],
+                [SEPARATING_LINE],
+                ["IR Version ", model_info_list[0]["ir_version"]],
             )
         )
     else:
         final_op_info.append(
-            ["Model Name", model_name, "Op Set: " + model_info_list[0]["op_set"]] + [""] * (len(model_info_list) - 2)
+            ["Model Name", model_name, "Op Set: " + model_info_list[0]["op_set"] + " / IR Version: " + model_info_list[0]["ir_version"]] + [""] * (len(model_info_list) - 2)
         )
     final_op_info.extend(
         (
@@ -319,6 +321,12 @@ def get_opset(model: onnx.ModelProto) -> int:
     except Exception:
         return None
 
+def get_ir_version(model: onnx.ModelProto) -> int:
+    """Returns the ONNX ir version for a given model."""
+    try:
+        return model.ir_version
+    except Exception:
+        return None
 
 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."""
@@ -388,6 +396,7 @@ def get_graph_node_info(graph: onnx.GraphProto) -> Dict[str, List[str]]:
     get_graph_node_info(model.graph)
 
     model_info["op_set"] = str(get_opset(model))
+    model_info["ir_version"] = str(get_ir_version(model))
     model_info["op_info"] = op_info
     model_info["op_type_counts"] = op_type_counts