SD.Next

At a glance

• Editor score
  6.5 / 10
• Pricing
  Open source
• Best for
  Technical self-hosted model users
• Paid from
  Free
• Text-to-image
  Yes
• Facts checked
  20 Sep 2026

• Where it wins

  • Supports text-to-image, image-to-image, inpainting, and outpainting
  • Includes ControlNet, IP-Adapter, LoRA, and prompt enhancement
  • Offers Kanvas editing, model management, and a HTTP REST API

• Where it doesn't

  • Requires local or self-hosted deployment rather than a hosted subscription
  • Workflow complexity may exceed the needs of casual image creators
  • Commercial rights can vary by the specific model used

Our verdict on SD.Next

SD.Next is an open-source server application and web interface for generating, editing, captioning, upscaling, and processing images and videos. It supports Stable Diffusion and other diffusion models, with text-to-image, image-to-image, inpainting, outpainting, ControlNet, IP-Adapters, LoRA, and image processing workflows. Artists, researchers, AI enthusiasts, and technical users who want local control are the clearest fit. It runs on Windows, Linux, and macOS and also provides web, self-hosted, and API access.

Its main strength is breadth within a local generation workflow. Automatic model downloading and model management help organize supported models, while Kanvas adds masking, cropping, filters, and outpainting for more involved editing. The HTTP REST API includes text-to-image and image-to-image endpoints, giving developers a way to connect generation to other software. PNG and JPG are supported output formats, and reference-image workflows are covered through image-to-image, ControlNet, and IP-Adapter features.

The trade-off is that SD.Next is local or self-hosted software, not a hosted subscription product. That makes it more suitable for users comfortable managing their own environment than for buyers seeking a simple browser-first service. The open-source Apache license covers the software, while commercial rights for generated images may depend on the specific model used. Choose SD.Next for model flexibility, editing depth, and API access; choose an alternative if you prefer managed hosting or a narrower, simpler creation workflow.

Your product? Our editors can test SD.Next in depth and publish a review, labelled as paid · from $149/mo →

SD.Next pricing

SD.Next fact sheet

Alternatives to SD.Next

• ShutterstockA stock library with a built-in AI image generator; credits come with the Unlimited plans.9.7
• Adobe FireflyA broad image-generation and editing toolkit for teams centered on Adobe.9.4
• RecraftA versatile image workspace spanning generation, editing, vector output, and API access.9.3

See all SD.Next alternatives →

Featured on iTechGuides

SD.Next is listed in our AI Image Generators directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/sd-next/"><img src="https://www.itechguides.com/best/badge/sd-next.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update