Knockout API

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Knockout API is ranked #6 of 91 in AI Background Removers on Inferse. It runs on API, Web. There is a free plan. Paid plans start at $0.02/mo.

Compared on AI Background Removers

Free plan: Yesuseknockout.com

Facts

Free plan: Yesuseknockout.com · 20 Sept 2026
Purpose: Knockout provides image and video processing tools through a browser app and API.useknockout.com · 29 Sept 2026
Image tools: Its documented tools include background removal and replacement, batch processing, masking, smart crop, stickers, outlines, shadows, and inpainting.useknockout.com · 29 Sept 2026
Enhancement: The API includes image upscaling, portrait restoration, colorization, and object removal.useknockout.com · 29 Sept 2026
Video: The API supports asynchronous video background removal with job polling.useknockout.com · 29 Sept 2026
Design Studio: The browser Canvas supports layered designs with text and effects, and users can save canvases and cutouts to a free account.useknockout.com · 29 Sept 2026
Integrations: Official client options include Node, React, Python, and CLI, alongside REST and any HTTP client.useknockout.com · 29 Sept 2026
Operations: The service says it handles GPU processing, endpoint updates, usage records, credentials, teams, and billing, with GPU infrastructure powered by Modal.useknockout.com · 29 Sept 2026
Image handling: The privacy policy says uploaded images are processed in GPU worker memory, not stored after the response, and not used for model training.useknockout.com · 29 Sept 2026
Security: The privacy policy says API tokens are SHA-256 hashed, passwords are managed by Supabase Auth using bcrypt, and traffic is encrypted via TLS.useknockout.com · 29 Sept 2026
Compliance: The privacy policy says users in the EU/EEA have additional rights under GDPR and can contact the company about them.useknockout.com · 29 Sept 2026
Usage limits: The docs list free usage at 60 requests per minute and 30 images each month, while paid tiers have a 600-request-per-minute limit and no monthly cap.useknockout.com · 29 Sept 2026
Performance: The site says warm background-removal calls are around 200ms for a 1024×1024 image, while a first request after idle can take longer as capacity starts.useknockout.com · 29 Sept 2026
Support: The site lists community support for Free, email support for Pay-as-you-go, and Slack support for Volume.useknockout.com · 29 Sept 2026
Audience: The site positions Free for evaluation, side projects, and open-source work; Pay-as-you-go for side projects and early startups; Plus for designers, agencies, and power users; and Volume for production workloads.useknockout.com · 29 Sept 2026