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WORKFLOW · #upscale · mid vram

Ultimate SD Upscale

Tiled diffusion upscale that adds real, synthesised detail at high resolution while holding VRAM flat. The everyday workhorse upscaler.

Before / After

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Workflow Preview

⬇ workflow.json⬇ API format

How It Works

Upscales in overlapping tiles, running a short diffusion pass on each so new detail is synthesised rather than interpolated — sharp skin, hair and fabric at multiples of the input resolution, with VRAM held flat by the tiling. The reliable everyday upscaler when SUPIR is overkill.