Stability AI
Stable Diffusion
A leading open-source image model you can run on your own PC
◐Free plan ✕No Korean
Last verified:
Key specs
| Price | ◐Free plan |
|---|---|
| Free limits | Model weights are open. Completely free when run locally on your PC. |
| Paid price | Official Brand Studio offers a trial with the first 1,000 credits, then Creator is $19/month · Core is $50/month. |
| Student / edu discount | No |
| Korean | ✕NonePrompts must be in English. Korean text needs to be translated first. |
| Login | Optional |
| Platforms | Web · Windows · macOS · Linux · API |
| File input | IMAGE |
| Download output | Image download available. Unlimited when running locally. |
| Commercial use | ConditionalLicenses vary by model version. Check the license terms of the specific version before commercial use. |
Prices may change. Currency and billing period follow the official listing; no currency conversion. Pricing page (opens in a new tab)
Who it's for
- Users who want to generate unlimited images on their PC with no internet connection. It costs nothing as long as you have a capable GPU.
- Creators who want to train custom models for specific art styles or characters. Rich resources for fine-tuning (LoRA) are available.
- Institutions and enterprises that need to generate images in secure environments where data cannot leave the premises.
Drawbacks
- Installation and setup are difficult. If your GPU specs are too low, generating a single image can take several minutes or fail completely.
- Prompts must be written in detailed English, and out-of-the-box quality is inferior to Midjourney.
- Licenses differ by version, so you must check commercial use terms yourself.
Getting started
- To try it without installation, first test similar models on web services like Krea or Leonardo.
- To run it locally, download and install a tool like ComfyUI or Automatic1111. A GPU with at least 8GB of VRAM is recommended.
- Download model files (checkpoints) and place them in the designated folder.
- Enter your English prompt and negative prompts, then generate the image.
- Add LoRA files if you want a specific style. Check the license before using images commercially.
Similar tools
- FLUX ◐Free plan FLUX is also open-source and widely praised for better recent quality, but Stable Diffusion has vastly more resources and extensions.
- Leonardo.Ai ◐Free plan Leonardo lets you easily use similar models on the web without any local installation.
- Krea ◐Free plan Krea generates results in real time as you draw, making it easier for beginners.
See also
- Comparison: Best AI Image Generators for Commercial Use Compared
- Comparison: Best AI Tools for Webtoons and Illustrations Compared
- Use: Image generation & editing · Local & open source
- Prompts: image-prompt
- Concepts: diffusion , open-weights
Official link
https://stability.ai/ (opens in a new tab)
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