diff --git a/pkgs/development/python-modules/onnxslim/default.nix b/pkgs/development/python-modules/onnxslim/default.nix
new file mode 100644
index 000000000000..b115fc4d1c93
--- /dev/null
+++ b/pkgs/development/python-modules/onnxslim/default.nix
@@ -0,0 +1,43 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchPypi,
+  setuptools,
+  wheel,
+  onnx,
+  packaging,
+  sympy,
+}:
+
+buildPythonPackage rec {
+  pname = "onnxslim";
+  version = "0.1.51";
+  pyproject = true;
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-RH0UnMRJvs+lT/YblJcSE1TflAosJLB3XwD8XhqSdsw=";
+  };
+
+  build-system = [
+    setuptools
+    wheel
+  ];
+
+  dependencies = [
+    onnx
+    packaging
+    sympy
+  ];
+
+  pythonImportsCheck = [
+    "onnxslim"
+  ];
+
+  meta = {
+    description = "A Toolkit to Help Optimize Onnx Model";
+    homepage = "https://pypi.org/project/onnxslim/";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ ferrine ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index edb7b4e06ed4..4bbf07e0ae96 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -10319,6 +10319,8 @@ self: super: with self; {
 
   onnxruntime-tools = callPackage ../development/python-modules/onnxruntime-tools { };
 
+  onnxslim = callPackage ../development/python-modules/onnxslim { };
+
   onvif-zeep = callPackage ../development/python-modules/onvif-zeep { };
 
   onvif-zeep-async = callPackage ../development/python-modules/onvif-zeep-async { };