: The original model files were often massive (up to 7GB+). Pruning removed "junk" or redundant data—such as optimizer states—shrinking the file size to roughly 2GB without significantly affecting the final image quality.
: This was the standard file format for AI weights at the time, though it was later largely replaced by the safer .safetensors format due to security concerns regarding potential malware in "pickled" checkpoint files.
In late 2022, emerged as a highly sought-after fine-tuned version of Stable Diffusion, specifically optimized for high-quality anime and illustrative styles. It became famous for its ability to produce vibrant colors and detailed characters with relatively simple prompts, often being compared to the legendary (and then-leaked) NovelAI models. The Technical Evolution: pruned-fp16
