Double checked and both the initial comment and the correction are incorrect: the original v1.1 was trained on LAION-2B, then subsequent versions were finetuned on the aestethics subset.
Either way, the main point is the same: more training data gives better results.
Either way, the main point is the same: more training data gives better results.
https://github.com/CompVis/stable-diffusion#weights