RealESRGAN x4plus anime 6B is a six-block ESRGAN model for anime images, with a native 4x scale. Uses the official PyTorch .pth checkpoint through stable-diffusion.cpp, without conversion. Upscale-only: not a text-to-image model.
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Stable Diffusion x4 Upscaler is Stability AI's diffusion-based super-resolution model. It enlarges low-resolution images by four times while reconstructing image detail.
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