Earlier quoted context omitted.
Adobe in particular, however, has been more twords the forefront of AI research. I'm pretty sure they aren't just using SD here. They might not even be using transformers at all. See https://news.ycombinator.com/item?id=35089661
They also have the resources to build a huge training set, together with people who willingly upload their art and photos to them, which they can use to make the training set better than publicly available data.
Firefly was trained on Adobe Stock images, openly licensed content and public domain content, where copyright has expired.
We do not train on user content. More info here:
https://helpx.adobe.com/manage-account/using/machine-learnin...