Finetunes are historically better than the base model, thats the whole idea of a finetune... but I think you are really asking if finetunes of public models wil

Finetunes are historically better than the base model, thats the whole idea of a finetune... but I think you are really asking if finetunes of public models will be as good as huge SOTA proprietary models and their paid "finetuning" services. Thats hard to say.