The best datasets were usually curated by passionate individuals on platforms like Civitai (which launched later, but hosts historical content) or early Hugging Face anime repositories. Important Considerations for 2021 AI Content
Early experiments in maintaining character consistency, which was a major challenge in 2021.
Less reliance on pure photorealism and more focus on complex anime/manga styles.
While "SD" usually refers to Stable Diffusion, in a 2021 context, it might be a retrospective term used to describe SD-like models or early curated datasets that anticipated the rise of diffusion models. Why 2021 Collections Matter