diff --git a/lib/pycall/pytypeobject_wrapper.rb b/lib/pycall/pytypeobject_wrapper.rb
index 5f7958c1..46dc25bd 100644
--- a/lib/pycall/pytypeobject_wrapper.rb
+++ b/lib/pycall/pytypeobject_wrapper.rb
@@ -78,6 +78,26 @@ def <=>(other)
       nil
     end
 
+    def <(other)
+      cmp = self <=> other
+      cmp && cmp < 0
+    end
+
+    def >(other)
+      cmp = self <=> other
+      cmp && cmp > 0
+    end
+
+    def <=(other)
+      cmp = self <=> other
+      cmp && cmp <= 0
+    end
+
+    def >=(other)
+      cmp = self <=> other
+      cmp && cmp >= 0
+    end
+
     private
 
     def register_python_type_mapping
diff --git a/spec/pycall/pytypeobject_wrapper_spec.rb b/spec/pycall/pytypeobject_wrapper_spec.rb
index 9c5e35c1..5ea80aeb 100644
--- a/spec/pycall/pytypeobject_wrapper_spec.rb
+++ b/spec/pycall/pytypeobject_wrapper_spec.rb
@@ -114,6 +114,58 @@ module PyCall
       end
     end
 
+    describe '#<' do
+      specify do
+        expect(PyCall.builtins.list < PyCall.builtins.list).to eq(false)
+        expect(PyCall.builtins.list < PyCall.builtins.object).to eq(true)
+        expect(PyCall.builtins.object < PyCall.builtins.list).to eq(false)
+        expect(PyCall.builtins.list < PyCall.builtins.dict).to eq(nil)
+        expect(PyCall.builtins.list < Object).to eq(true)
+        expect(PyCall.builtins.list < Array).to eq(nil)
+        expect(PyCall.builtins.list < Conversion.from_ruby(42)).to eq(nil)
+        expect(PyCall.builtins.list < 42).to eq(nil)
+      end
+    end
+
+    describe '#>' do
+      specify do
+        expect(PyCall.builtins.list > PyCall.builtins.list).to eq(false)
+        expect(PyCall.builtins.list > PyCall.builtins.object).to eq(false)
+        expect(PyCall.builtins.object > PyCall.builtins.list).to eq(true)
+        expect(PyCall.builtins.list > PyCall.builtins.dict).to eq(nil)
+        expect(PyCall.builtins.list > Object).to eq(false)
+        expect(PyCall.builtins.list > Array).to eq(nil)
+        expect(PyCall.builtins.list > Conversion.from_ruby(42)).to eq(nil)
+        expect(PyCall.builtins.list > 42).to eq(nil)
+      end
+    end
+
+    describe '#<=' do
+      specify do
+        expect(PyCall.builtins.list <= PyCall.builtins.list).to eq(true)
+        expect(PyCall.builtins.list <= PyCall.builtins.object).to eq(true)
+        expect(PyCall.builtins.object <= PyCall.builtins.list).to eq(false)
+        expect(PyCall.builtins.list <= PyCall.builtins.dict).to eq(nil)
+        expect(PyCall.builtins.list <= Object).to eq(true)
+        expect(PyCall.builtins.list <= Array).to eq(nil)
+        expect(PyCall.builtins.list <= Conversion.from_ruby(42)).to eq(nil)
+        expect(PyCall.builtins.list <= 42).to eq(nil)
+      end
+    end
+
+    describe '#>=' do
+      specify do
+        expect(PyCall.builtins.list >= PyCall.builtins.list).to eq(true)
+        expect(PyCall.builtins.list >= PyCall.builtins.object).to eq(false)
+        expect(PyCall.builtins.object >= PyCall.builtins.list).to eq(true)
+        expect(PyCall.builtins.list >= PyCall.builtins.dict).to eq(nil)
+        expect(PyCall.builtins.list >= Object).to eq(false)
+        expect(PyCall.builtins.list >= Array).to eq(nil)
+        expect(PyCall.builtins.list >= Conversion.from_ruby(42)).to eq(nil)
+        expect(PyCall.builtins.list >= 42).to eq(nil)
+      end
+    end
+
     describe '#===' do
       specify do
         expect(PyCall.builtins.tuple === PyCall.tuple()).to eq(true)