I believe you mean 256GB.[0] Unless you meant to say 14" or 16" MacBook Pro, in which case the base spec is still only 512GB for either of them, not 1TB.[1][2]
For the prices Apple is charging, I wish they would make 1TB the base spec... but Apple Silicon is so good that the machines sell like hotcakes anyways.
Hum, I think it’s reasonable to only consider the 14” and 16” variants latest generation models. But I guess I misremembered the base spec. Looking at the link, it’s because you get 1TB if you get the model with the full 8 performance cores. But that model is quite a bit more expensive than the base model.