SD.Next
All-in-one WebUI supporting dozens of diffusion models and every GPU backend.
- Stars
- 7.4K
- Forks
- 584
- Open issues
- 59
- Last commit
- 2026-10-14
Live from the GitHub API · updated 2026-10-15
What is SD.Next?
SD.Next began as a fork of the A1111 WebUI and grew into a separate project built on Diffusers. It supports a very wide range of image and video models and backends — CUDA, ROCm, Intel IPEX, DirectML, OpenVINO and Apple MPS — with a modern UI.
Key features
- Supports many model families via Diffusers
- Broad hardware support including Intel Arc and AMD on Windows
- Built-in model downloader and queue
- Extensive documentation wiki
System requirements
- Platforms
- Windows · Linux · macOS · Docker
- GPU
- NVIDIA, AMD, Intel Arc, Apple Silicon or CPU (OpenVINO)
- VRAM
- 4 GB+ depending on model
- RAM
- 16 GB+
How to install SD.Next
Summarized from the project’s README. Projects change quickly — check the GitHub page for the latest instructions.
All platforms
- 1Clone the repository.
git clone https://github.com/vladmandic/sdnext cd sdnext - 2Run webui.bat (Windows) or ./webui.sh (Linux/macOS). Add --debug to see detailed setup logs.
Strengths
- Widest hardware support
- Fast model adoption
- Active development
Limitations
- Many options can overwhelm beginners
- Smaller community than A1111/ComfyUI
SD.Next alternatives compared
| Software | Stars | License | Platforms | VRAM |
|---|---|---|---|---|
| SD.Next All-in-one WebUI supporting dozens of diffusion models and every GPU backend. | 7.4K | Apache-2.0 | 4 GB+ depending on model | |
| Stable Diffusion WebUI Forge A faster, leaner fork of the A1111 WebUI with FLUX support. | 13.1K | AGPL-3.0 | 6 GB+ (FLUX NF4/GGUF variants run on 6–8 GB) | |
| ComfyUI Node-based interface for diffusion models — images, video and audio. | 137.6K | GPL-3.0 | 4 GB minimum for SD1.5; 12 GB+ recommended for FLUX and video models | |
| Stable Diffusion WebUI (AUTOMATIC1111) The classic browser UI for Stable Diffusion with a massive extension ecosystem. | 165.1K | AGPL-3.0 | 4 GB minimum (with --medvram/--lowvram), 8 GB+ recommended | |
| Fooocus Midjourney-like simplicity for SDXL: type a prompt and press Generate. | 53.4K | GPL-3.0 | 4 GB minimum, 6 GB+ recommended | |
| InvokeAI Professional creative engine with a unified canvas for Stable Diffusion and FLUX. | 28.6K | Apache-2.0 | 4 GB for SD1.5, 8 GB for SDXL, 10 GB+ for FLUX |
Related models
FAQ
Is SD.Next free?
Yes — SD.Next is open-source software released under the Apache-2.0 license. Check the license (and any model weight licenses) before commercial use.
Does SD.Next run on Windows, Mac and Linux?
SD.Next supports: Windows, Linux, macOS, Docker.
What hardware do I need for SD.Next?
NVIDIA, AMD, Intel Arc, Apple Silicon or CPU (OpenVINO). VRAM: 4 GB+ depending on model. RAM: 16 GB+
How do I install SD.Next?
1. Clone the repository. 2. Run webui.bat (Windows) or ./webui.sh (Linux/macOS). Add --debug to see detailed setup logs.
What are the best SD.Next alternatives?
Popular alternatives include Stable Diffusion WebUI Forge, ComfyUI, Stable Diffusion WebUI (AUTOMATIC1111), Fooocus. See the comparison table on this page.
Can I use SD.Next online without installing it?
If you just want results, AiLoft runs top image models such as GPT Image 2.5 and Nano Banana Pro in the browser — no GPU or setup required.
Skip the install — generate images in your browser
No GPU, drivers or Python needed. Use GPT Image 2.5 and Nano Banana Pro online and compare them side by side.