import torch

a = torch.randint(0, 10, [5])
b = torch.randint(0, 10, [5])
print(a)
print(b)

tensor([9, 0, 9, 2, 4])
tensor([7, 8, 5, 3, 6])

a.lt(b)         # <

tensor([False,  True, False,  True,  True])

torch.le(a, b) # <=

tensor([False,  True, False,  True,  True])

a.gt(b)        # >

tensor([ True, False,  True, False, False])

a.ge(b)        # >=

tensor([ True, False,  True, False, False])

a.ne(b)       # !=

tensor([True, True, True, True, True])