Almost certainly our linguistic abilities (and through them, planning skills) are vastly greater than those of all other animals, but that is a matter of degree, not of category. The one thing in which we are categorically different from all other animals is that we learned to control and make fire... and quite possibly the linguistic abilities followed from that rather than the other way around[0]. Until the 20th century basically all of the advantages that technology bestowed upon our species directly flowed from our use of fire. Maybe our species should have been called "homo ignis"; the fire ape.

Obviously the cetaceans will never have that benefit, even if by some other objective measures they turned out to be as intelligent as humans.

[0] https://en.wikipedia.org/wiki/Catching_Fire:_How_Cooking_Mad...