Upscale — Model (ESRGAN / 4×) upscale

Take an existing image and upscale it with a pixel-space upscale model (e.g. 4x-UltraSharp / RealESRGAN). No diffusion — fast, deterministic, great for finishing.

Models: 4x-UltraSharp.pth (or any ESRGAN-family upscale model) · 4 nodes

{
  "1": {
    "class_type": "LoadImage",
    "inputs": {
      "image": "your-image.png"
    }
  },
  "2": {
    "class_type": "UpscaleModelLoader",
    "inputs": {
      "model_name": "4x-UltraSharp.pth"
    }
  },
  "3": {
    "class_type": "ImageUpscaleWithModel",
    "inputs": {
      "upscale_model": [
        "2",
        0
      ],
      "image": [
        "1",
        0
      ]
    }
  },
  "9": {
    "class_type": "SaveImage",
    "inputs": {
      "filename_prefix": "MELEK-upscaled",
      "images": [
        "3",
        0
      ]
    }
  }
}