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Available Models

Model IDDescription
stability-ai/sdxlStable Diffusion XL — high quality, 1024px
stable-diffusion-xl-base-1.0SDXL base model
stability-ai/stable-diffusion-3SD3 — next-gen quality

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Code Example

response = client.images.generate(
    model="stability-ai/sdxl",
    prompt="Epic fantasy castle on a floating island, dramatic storm clouds, digital art",
    size="1024x1024",
    n=1
)

print(response.data[0].url)

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Negative Prompts

Stable Diffusion supports negative prompts to exclude unwanted elements. Pass them in the prompt separated by |: 
response = client.images.generate(
    model="stability-ai/sdxl",
    prompt="Portrait of a woman, professional headshot, studio lighting | blurry, low quality, distorted, ugly",
    size="1024x1024"
)
Negative prompt syntax varies by model. The | separator works for most Stability AI models.