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Stable Diffusion web UI (AUTOMATIC1111)

The classic open-source browser interface for running Stable Diffusion models locally.

Open sourceSelf-hostableAI image generators
Visit Stable Diffusion web UI (AUTOMATIC1111)See 5 alternatives
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About Stable Diffusion web UI (AUTOMATIC1111)

AUTOMATIC1111's Stable Diffusion web UI is the open-source interface that made local image generation popular. It runs on your own machine and opens in the browser, with tabs for text-to-image, image-to-image, inpainting, outpainting, upscaling and model training, and a huge catalogue of community extensions such as ControlNet. Many tutorials, model pages and prompts online still assume it, which makes it easy to find help. The project is AGPL-licensed and free. Its pace has slowed, though: updates are infrequent and support for newer model families like FLUX lags behind ComfyUI and forks such as Forge, so many users have moved on. It runs on Windows, Linux and macOS, best with an NVIDIA GPU. It still suits people with existing SD 1.5 or SDXL setups who like a familiar form-based interface and its extension ecosystem.

Best for: Users with existing SD 1.5 or SDXL setups who like a familiar tabbed interface.

Pros and cons

What works

  • Huge extension ecosystem, including ControlNet
  • Familiar interface with countless tutorials
  • Free and runs fully offline

Why people leave

  • Infrequent updates now
  • Slow to support newer model families
  • Manual install can be fiddly

Top Stable Diffusion web UI (AUTOMATIC1111) alternatives

See all 5
  1. 1ComfyUI logo
    ComfyUI

    Actively developed, with day-one support for new open models.

    66.5
  2. 2SwarmUI logo
    SwarmUI

    Similar form-style interface built on the ComfyUI backend.

    62.6
  3. 3InvokeAI logo
    InvokeAI

    More polished canvas and an actively maintained installer.

    59.6
  4. 4Fooocus logo
    Fooocus

    Even simpler local app for prompt-only workflows.

    57.2
  5. 5Civitai logo
    Civitai

    Run the same community models in the browser without a GPU.

    55.3

Why people left Stable Diffusion web UI (AUTOMATIC1111)

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Stable Diffusion web UI (AUTOMATIC1111): common questions

Is Stable Diffusion web UI (AUTOMATIC1111) free?

Yes. Stable Diffusion web UI (AUTOMATIC1111) is free, open-source software that you can host yourself.

Is Stable Diffusion web UI (AUTOMATIC1111) open source?

Yes. The source code is on GitHub at AUTOMATIC1111/stable-diffusion-webui. You can also run it on your own server.

What platforms does Stable Diffusion web UI (AUTOMATIC1111) run on?

Stable Diffusion web UI (AUTOMATIC1111) is available for Windows, macOS, Linux and Self-hosted.

What are the best alternatives to Stable Diffusion web UI (AUTOMATIC1111)?

The highest-ranked Stable Diffusion web UI (AUTOMATIC1111) alternatives right now are ComfyUI, SwarmUI and InvokeAI. See the full ranked list for pricing, platforms and verified facts.

See all 5 Stable Diffusion web UI (AUTOMATIC1111) alternatives