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Topaz Photo vs Upscayl: catalog facts
Topaz Photo	Upscayl
Paid Paid; included in the Topaz Studio subscription at $399 per year.	Free Free and open source under the AGPL. There is no paid tier and no per-image cost.
Windows, macOS	Windows, macOS, Linux
Denoise, sharpen, unblur and upscale in one application Models can run locally or in the cloud	Runs entirely on your own machine, so no images are uploaded anywhere Batch processing for whole folders
Paid software with no free tier stated Processing options vary by model	Needs a Vulkan-compatible GPU; the project warns many integrated chips will not work Slow on weaker hardware, and memory-hungry on large images
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.