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Overview

varg offers 6 image upscale models ranging from free-tier to premium. All take an image URL and return a higher-resolution version.

Quick start

Parameters

array
required
Single image to upscale: [{ url: "image.jpg" }].
Upscale models don’t use prompt or aspect_ratio. They take a single input image and return it at higher resolution.

Model comparison

Tips

  • Topaz produces the best results but is the most expensive. Use for hero images and final deliverables.
  • SeedVR is the best value — excellent quality at a fraction of Topaz’s cost.
  • CCSR and Aura-SR are effectively free on fal (varg charges 5 credits for the API overhead). Good for batch processing.
  • Combine with Phota Enhance if you need identity-preserving upscaling for faces.

Video Upscale

Upscale video files instead of images.

Phota Enhance

Identity-preserving enhancement (faces + features).