Pixian.AI vs unbagrnd

Pixian.AI is a web service and API that removes image backgrounds automatically. Its servers analyze uploaded images with GPUs and multi-core CPUs, then return transparent PNG files or opaque JPEG and PNG files. Inputs can be JPEG, PNG, BMP, GIF, or WebP. Batch processing and API access are available, with example clients for cURL, Java,.NET, Node.js, PHP, Python, and Ruby. The site describes support for many image types, including people, objects, artwork, logos, and scans. Free website images are limited to 250,000 pixels; paid images can reach 25 megapixels, with a 30-megabyte file limit. The Free plan costs nothing and is website-only with low-priority processing. A PAYGO 250-credit plan costs $5 a month for website and API use. API testing is free, while production results require credits.

unbagrnd removes photo backgrounds with on-device AI, processing images locally in its desktop app with ONNX Runtime. It can handle a single image or a folder, with live before-and-after previews as processing completes. Users can pick from several models to balance speed and accuracy; the default is 43 MB. Brush tools erase or restore subject areas, with undo and redo, and users can add a solid-color background or an on-device drop shadow. The app predicts a foreground mask on the CPU, combines it with the original pixels, and saves the result as PNG. The maker says the only network request is a one-time model download, with no analytics, update checks, or telemetry. unbagrnd is free and open source under the MIT license, with no API keys, paid tiers, or usage limits. A self-hosted, Docker-capable REST API supports single-image and batch processing. Its documented defaults allow 20 MB per image, batches of up to 10, and 60 requests per minute per API key. It supports Android, Linux, macOS, Windows, and self-hosted use.