stability-ai/stable-diffusion-3.5-large-turbo

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A text-to-image model that generates high-resolution images with fine details. It supports various artistic styles and produces diverse outputs from the same prompt, with a focus on fewer inference steps

Capabilities

Reference ImagesNegative PromptSeed

Cost

Community model (estimated from hardware time)

Input Parameters

Name	Type	Description	Default	Constraints
`prompt`*	string	Text prompt for image generation	`—`	—
`aspect_ratio`	string	The aspect ratio of your output image. This value is ignored if you are using an input image.	`"1:1"`	16:91:121:92:33:24:55:49:169:21
`cfg`	number	The guidance scale tells the model how similar the output should be to the prompt.	`1`	min: 1, max: 10
`image`	string(uri)	Input image for image to image mode. The aspect ratio of your output will match this image.	`—`	—
`negative_prompt`	string	What you do not want to see in the image	`—`	—
`output_format`	string	Format of the output images	`"webp"`	webpjpgpng
`prompt_strength`	number	Prompt strength (or denoising strength) when using image to image. 1.0 corresponds to full destruction of information in image.	`0.85`	min: 0, max: 1
`seed`	integer	Set a seed for reproducibility. Random by default.	`—`	—

promptrequiredstring

Text prompt for image generation

aspect_ratiostring

The aspect ratio of your output image. This value is ignored if you are using an input image.

Default: "1:1"

16:91:121:92:33:24:55:49:169:21

cfgnumber

The guidance scale tells the model how similar the output should be to the prompt.

Default: 1min: 1, max: 10

imagestring

Input image for image to image mode. The aspect ratio of your output will match this image.

negative_promptstring

What you do not want to see in the image

output_formatstring

Format of the output images

Default: "webp"

webpjpgpng

prompt_strengthnumber

Prompt strength (or denoising strength) when using image to image. 1.0 corresponds to full destruction of information in image.

Default: 0.85min: 0, max: 1

seedinteger

Set a seed for reproducibility. Random by default.

Version: 6ce89263555dUpdated: 7/25/2026931.9K runs