diff --git a/src/sagemaker/jumpstart/notebook_utils.py b/src/sagemaker/jumpstart/notebook_utils.py
index 85a041379a..9df744531e 100644
--- a/src/sagemaker/jumpstart/notebook_utils.py
+++ b/src/sagemaker/jumpstart/notebook_utils.py
@@ -262,6 +262,15 @@ def list_jumpstart_scripts(  # pylint: disable=redefined-builtin
     return sorted(list(scripts))
 
 
+def _is_valid_version(version: str) -> bool:
+    """Checks if the version is convertable to Version class."""
+    try:
+        Version(version)
+        return True
+    except Exception:  # pylint: disable=broad-except
+        return False
+
+
 def list_jumpstart_models(  # pylint: disable=redefined-builtin
     filter: Union[Operator, str] = Constant(BooleanValues.TRUE),
     region: Optional[str] = None,
@@ -304,7 +313,8 @@ def list_jumpstart_models(  # pylint: disable=redefined-builtin
     ):
         if model_id not in model_id_version_dict:
             model_id_version_dict[model_id] = list()
-        model_id_version_dict[model_id].append(Version(version))
+        model_version = Version(version) if _is_valid_version(version) else version
+        model_id_version_dict[model_id].append(model_version)
 
     if not list_versions:
         return sorted(list(model_id_version_dict.keys()))
diff --git a/tests/unit/sagemaker/jumpstart/constants.py b/tests/unit/sagemaker/jumpstart/constants.py
index d7c4eb4921..1ea08724b9 100644
--- a/tests/unit/sagemaker/jumpstart/constants.py
+++ b/tests/unit/sagemaker/jumpstart/constants.py
@@ -7577,6 +7577,20 @@
         "spec_key": "proprietary-models/ai21-paraphrase/proprietary_specs_1.0.005.json",
         "search_keywords": ["Text2Text", "Generation"],
     },
+    {
+        "model_id": "ai21-paraphrase",
+        "version": "v1.00-rc2-not-valid-version",
+        "min_version": "2.0.0",
+        "spec_key": "proprietary-models/ai21-paraphrase/proprietary_specs_1.0.005.json",
+        "search_keywords": ["Text2Text", "Generation"],
+    },
+    {
+        "model_id": "nc-soft-model-1",
+        "version": "v3.0-not-valid-version!",
+        "min_version": "2.0.0",
+        "spec_key": "proprietary-models/nc-soft-model-1/proprietary_specs_1.0.005.json",
+        "search_keywords": ["Text2Text", "Generation"],
+    },
 ]
 
 BASE_PROPRIETARY_SPEC = {
diff --git a/tests/unit/sagemaker/jumpstart/test_notebook_utils.py b/tests/unit/sagemaker/jumpstart/test_notebook_utils.py
index 059cd7ccad..862d2b4174 100644
--- a/tests/unit/sagemaker/jumpstart/test_notebook_utils.py
+++ b/tests/unit/sagemaker/jumpstart/test_notebook_utils.py
@@ -25,6 +25,7 @@
     list_jumpstart_models,
     list_jumpstart_scripts,
     list_jumpstart_tasks,
+    _is_valid_version,
 )
 
 
@@ -185,6 +186,13 @@ def test_list_jumpstart_frameworks(
     patched_get_model_specs.assert_not_called()
 
 
+def test_is_valid_version():
+    valid_version_strs = ["1.0", "1.0.0", "2012.4", "1!1.0", "1.dev0", "1.2.3+abc.dev1"]
+    invalid_version_strs = ["1.1.053_m", "invalid version", "v1-1.0-v2", "@"]
+    assert all(_is_valid_version(v) for v in valid_version_strs)
+    assert not any(_is_valid_version(v) for v in invalid_version_strs)
+
+
 class ListJumpStartModels(TestCase):
     @patch("sagemaker.jumpstart.accessors.JumpStartModelsAccessor._get_manifest")
     @patch("sagemaker.jumpstart.accessors.JumpStartModelsAccessor.get_model_specs")
@@ -626,6 +634,7 @@ def test_list_jumpstart_proprietary_models(
             "ai21-paraphrase",
             "ai21-summarization",
             "lighton-mini-instruct40b",
+            "nc-soft-model-1",
         ]
 
         all_open_weight_model_ids = [