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Cupscale vs HitPaw Image Enhancement API

Both stand on image upscaling software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Cupscale

Free plan Windows

Cupscale provides a broad set of local upscaling and comparison tools without paid plans or stated usage limits. Its Windows-only distribution and 4x ceiling define the main boundaries.

Visit Cupscale

HitPaw Image Enhancement API

Free plan API

HitPaw provides a broad image-enhancement API with multiple models, formats, and resolution bands. Its free access and per-image pricing support trials, while rate limits and model-specific size limits require planning.

Visit HitPaw Image Enhancement API

The facts

CupscaleHitPaw Image Enhancement API
Free planYesYes
Open sourceNot publishedNot published
Runs onWindowsAPI
Lowest paid planFree or on requestSee the plans
Plans published122
MakerNot publishedNot published
Websitegithub.comdeveloper.hitpaw.com
On image upscaling software#55 of 99#59 of 99

Cupscale: what it does well

  • Free and open source under the MIT license
  • Supports up to 4x AI upscaling
  • Processes batches of supported image formats
  • Offers CUDA, Vulkan/NCNN and CPU backends
  • Creates comparison images and animations

What to know first

  • Windows platform only
  • Maximum scale is 4x
  • Temporary files default to installation directory
  • Protected folders are discouraged for installation

HitPaw Image Enhancement API: what it does well

  • Supports upscaling up to 8x
  • Accepts and returns nine image formats
  • Standard models handle up to 70 MP input
  • MCP server supports Claude Desktop and Cursor
  • Free plan includes 5,000 credits

What to know first

  • Rate limits can return HTTP 429
  • Generative models support only up to 34 MP
  • API key required in Apikey header
  • Free-credit amounts differ between product page and FAQ

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