Sourced comparison / August 23, 2026
useknockout vs Photoroom API
Photoroom's Basic API matches useknockout at $0.02 for a plain cutout. The difference shows up the moment you want a composited product image: Photoroom moves that to its $0.10 Plus tier, while useknockout's studio shot, shadow, and background replacement stay at $0.02.
DecisionuseknockoutPhotoroom API
Background removaluseknockout$0.02 per successful imagePhotoroom API$0.02 per image on the Basic plan (removal, crop or resize, color backgrounds)
Composited product imageuseknockout$0.02 per image: /studio-shot, /replace-bg, /shadow, /collage at the same ratePhotoroom API$0.10 per image on the Plus plan (AI backgrounds, AI shadows, GenAI edits)
Free evaluationuseknockout30 full-resolution images every month, recurring, no cardPhotoroom API10 production removals free, plus 1,000 watermarked sandbox calls per month
Billing modeluseknockoutMetered monthly usage, credits never expirePhotoroom APIFixed monthly image packages; unused images do not roll over
Published API breadthuseknockout28 documented endpointsPhotoroom APIRemove Background API and Image Editing API
Choose useknockout when
- You want white-background product shots, shadows, or collages without moving to a higher price tier.
- Your volume is uneven month to month and you do not want to prepay a package.
- You also need upscaling, face restoration, colorization, inpainting, or alpha video.
Choose Photoroom API when
- You want generative AI backgrounds and are happy to pay the Plus rate for them.
- You want the Photoroom consumer app and templates alongside the API.
- A fixed monthly package matches how you buy software.
Competitor facts were checked against the official Photoroom API pricing on August 23, 2026. Pricing and product terms can change, so check the source before making a purchasing decision.
Test the real API
30 images every month. No card.
Create a key, run the same image through both services, and compare the output in your own workflow.