The chart you show is about the accuracy of x*y where X and Y are an increasing amount of digits. This graph shows that both o1 and o3-mini are better at calcu

The chart you show is about the accuracy of x*y where X and Y are an increasing amount of digits. This graph shows that both o1 and o3-mini are better at calculating in one’s head than any human I have known. It only starts to break down towards calculating the product of two eight digit factors etc.