diff --git a/python/paddle/__init__.py b/python/paddle/__init__.py
index 24bef2bf0af37c..045e6445ae0783 100644
--- a/python/paddle/__init__.py
+++ b/python/paddle/__init__.py
@@ -265,7 +265,9 @@
     less_equal,
     less_equal_,
     less_than,
+    less_than as less,
     less_than_,
+    less_than_ as less_,
     logical_and,
     logical_and_,
     logical_not,
@@ -858,6 +860,8 @@
     'full_like',
     'less_than',
     'less_than_',
+    'less',
+    'less_',
     'kron',
     'clip',
     'Tensor',
diff --git a/python/paddle/tensor/__init__.py b/python/paddle/tensor/__init__.py
index 6cb01ba1e3da24..823d25356f7726 100644
--- a/python/paddle/tensor/__init__.py
+++ b/python/paddle/tensor/__init__.py
@@ -128,6 +128,8 @@
     less_equal,
     less_equal_,
     less_than,
+    less_than as less,
+    less_than as less_,
     less_than_,
     logical_and,
     logical_and_,
@@ -628,6 +630,8 @@
     'less_equal_',
     'less_than',
     'less_than_',
+    'less',
+    'less_',
     'logical_and',
     'logical_and_',
     'logical_not',
diff --git a/test/legacy_test/test_inplace.py b/test/legacy_test/test_inplace.py
index 22a844690a0953..6c5d8274aceca8 100755
--- a/test/legacy_test/test_inplace.py
+++ b/test/legacy_test/test_inplace.py
@@ -1430,6 +1430,14 @@ def non_inplace_api_processing(self, var):
         return paddle.less_than(var, self.y)
 
 
+class TestDygraphInplaceLess(TestDygraphInplaceLogicAnd):
+    def inplace_api_processing(self, var):
+        return paddle.less_(var, self.y)
+
+    def non_inplace_api_processing(self, var):
+        return paddle.less(var, self.y)
+
+
 class TestDygraphInplaceLessEqual(TestDygraphInplaceLogicAnd):
     def inplace_api_processing(self, var):
         return paddle.less_equal_(var, self.y)
diff --git a/test/legacy_test/test_layers.py b/test/legacy_test/test_layers.py
index 3bbdaa40b1fbab..5a0e6283b59c9c 100644
--- a/test/legacy_test/test_layers.py
+++ b/test/legacy_test/test_layers.py
@@ -399,6 +399,7 @@ def test_compare(self):
             a = paddle.static.data(name='a', shape=[-1, 1], dtype='int64')
             b = paddle.static.data(name='b', shape=[-1, 1], dtype='int64')
             cond = paddle.less_than(x=a, y=b)
+            cond_ = paddle.less(x=a, y=b)
             static_ret = self.get_static_graph_result(
                 feed={"a": value_a, "b": value_b}, fetch_list=[cond]
             )[0]
@@ -406,9 +407,11 @@ def test_compare(self):
             da = paddle.to_tensor(value_a)
             db = paddle.to_tensor(value_b)
             dcond = paddle.less_than(x=da, y=db)
+            dcond_ = paddle.less(x=da, y=db)
 
             for i in range(len(static_ret)):
                 self.assertTrue(dcond.numpy()[i] == static_ret[i])
+                self.assertTrue(dcond_.numpy()[i] == static_ret[i])
 
         # less equal
         with self.static_graph():
diff --git a/test/legacy_test/test_math_op_patch_pir.py b/test/legacy_test/test_math_op_patch_pir.py
index ccb80af41ee081..52b62ebbb2af6d 100644
--- a/test/legacy_test/test_math_op_patch_pir.py
+++ b/test/legacy_test/test_math_op_patch_pir.py
@@ -316,6 +316,7 @@ def test_less(self):
         res_np_c = paddle.less_than(
             paddle.to_tensor(x_np), paddle.to_tensor(y_np)
         )
+        res_np_c_ = paddle.less(paddle.to_tensor(x_np), paddle.to_tensor(y_np))
         res_np_d = x_np.__lt__(y_np)
         res_np_e = x_np <= y_np
         res_np_f = paddle.less_equal(
@@ -332,18 +333,20 @@ def test_less(self):
                 z = paddle.static.data(name="z", shape=[-1, 1], dtype='float32')
                 b = x < y
                 c = x.less_than(y)
+                c_ = x.less(y)
                 d = x.__lt__(y)
                 e = x <= y
                 f = x.less_equal(y)
                 g = x.__le__(y)
                 h = x <= z
-                (b_np, c_np, d_np, e_np, f_np, g_np, h_np) = exe.run(
+                (b_np, c_np, c_np_, d_np, e_np, f_np, g_np, h_np) = exe.run(
                     main_program,
                     feed={"x": x_np, "y": y_np, "z": z_np},
-                    fetch_list=[b, c, d, e, f, g, h],
+                    fetch_list=[b, c, c_, d, e, f, g, h],
                 )
                 np.testing.assert_array_equal(res_np_b, b_np)
                 np.testing.assert_array_equal(res_np_c, c_np)
+                np.testing.assert_array_equal(res_np_c_, c_np_)
                 np.testing.assert_array_equal(res_np_d, d_np)
                 np.testing.assert_array_equal(res_np_e, e_np)
                 np.testing.assert_array_equal(res_np_f, f_np)
diff --git a/test/legacy_test/test_math_op_patch_var_base.py b/test/legacy_test/test_math_op_patch_var_base.py
index 5d5ece13679736..63dd6bdeacef9c 100644
--- a/test/legacy_test/test_math_op_patch_var_base.py
+++ b/test/legacy_test/test_math_op_patch_var_base.py
@@ -445,6 +445,17 @@ def test_less_than(self):
             res = a < b
             np.testing.assert_array_equal(res.numpy(), a_np < b_np)
 
+    def test_less(self):
+        a_np = np.random.random(self.shape).astype(self.dtype)
+        b_np = np.random.random(self.shape).astype(self.dtype)
+        with base.dygraph.guard():
+            a = paddle.to_tensor(a_np)
+            b = paddle.to_tensor(b_np)
+            res_tensor = a.less(b)
+            res_paddle = paddle.less(a, b)
+            np.testing.assert_array_equal(res_tensor.numpy(), a_np < b_np)
+            np.testing.assert_array_equal(res_paddle.numpy(), a_np < b_np)
+
     def test_less_equal(self):
         a_np = np.random.random(self.shape).astype(self.dtype)
         b_np = np.random.random(self.shape).astype(self.dtype)