Accessability and training data. Nvidia canvas existed before text to image models but it didn't gain as much popularity with the masses. The other part is th

Accessability and training data. Nvidia canvas existed before text to image models but it didn't gain as much popularity with the masses. The other part is the training data - there are masses of (text description, image) pairs whilst if you want to do something more novel you may struggle to find a big enough dataset.