All models / Stable Diffusion
PixArt-Sigma AI image generator
Stable Diffusion is the open model that started the AI art boom. This family includes the releases from Stability AI plus popular community versions tuned for speed (Lightning, LCM, Turbo) or for a look (Dreamshaper, Realistic Vision).
Try PixArt-SigmaAt a glance
- Type
- Image generator
- Made by
- Stability AI and the open-source community
- Reference pictures
- Not supported
- Price
- 10 free images a day, 50 on Pro
- Runs through
- fal
Good for
- Fast, cheap drafts
- Classic AI art styles
- Fine-tuned looks
Prompts to try
Fantasy portrait of an elven ranger in a misty forest, painterly style
Use this promptA retro 80s synthwave landscape with a chrome sports car and palm trees
Use this promptAn oil painting of a mountain lake in autumn, impressionist brushwork
Use this prompt
More from Stable Diffusion
Frequently asked questions
Is PixArt-Sigma free to use?
Yes, with a daily cap. PixArt-Sigma is included with an OpenTools account (10 images a day, 50 on Pro): sign in, open Create image and pick it from the Stable Diffusion family.
Can PixArt-Sigma use reference pictures?
Not in Studio. PixArt-Sigma works from your text prompt alone. To edit a photo, pick a model that supports reference pictures, such as Seedream or FLUX Kontext.
Who makes PixArt-Sigma?
Stability AI and the open-source community. Studio runs it through fal.