Stable Diffusion 3.5 Large Turbo

Image generationAvailable
by Stability AIModel ID: stable-diffusion-3-5-large-turbo

Distilled, 4-step version of SD 3.5 Large from Stability AI. Keeps most of the large model's quality and text rendering at a fraction of the inference time. Open weights under the Stability Community License.

Price
$0.048/image
Aspect ratios
1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3
Input β†’ output
Text β†’ Image
Developer
Stability AI
Updated
September 23, 2026
01

Playground

Try Stable Diffusion 3.5 Large Turbo

Input & output

$0.048/image
Try Stable Diffusion 3.5 Large Turbo

0 / 2,000

What to generate

Advanced settings (4)

Optional seed for reproducibility

Output
Your image appears here.

This run

$0.048 Β· 4.8 credits

For accounts without a purchase: runs above 2 credits need a top-up.

New here?

10 free credits ($0.10) when you sign up with Google

Usable 24 hours after sign-up, up to 5 runs per day and at most 2 credits per run. Other sign-in methods start without credits.

02

Examples

Real outputs from the public examples of this model on Replicate, with the prompt and settings that produced them. They were not generated live on this page.
  • Example output 1 from Stable Diffusion 3.5 Large Turbo: An impasto unicornOpen full size

    Prompt

    An impasto unicorn

    Settings

    aspect_ratio
    3:2
  • Example output 2 from Stable Diffusion 3.5 Large Turbo: a man and woman are standing together against a backdrop, the backdrop is divided equally in half down the middle, left side is red, right sOpen full size

    Prompt

    a man and woman are standing together against a backdrop, the backdrop is divided equally in half down the middle, left side is red, right side is gold, the woman is wearing a t-shirt with a yoda motif, she has a long skirt with birds on it, the man is wearing a three piece purple suit, he has spiky blue hair

    Settings

    aspect_ratio
    1:1
  • Example output 3 from Stable Diffusion 3.5 Large Turbo: The graffiti "Run turbo on Replicate" against a photo of a mountainOpen full size

    Prompt

    The graffiti "Run turbo on Replicate" against a photo of a mountain

    Settings

    aspect_ratio
    1:1
03

About Stable Diffusion 3.5 Large Turbo

TL;DRAs of September 23, 2026

Stable Diffusion 3.5 Large Turbo is a model by Stability AI in the Image generation category. On Railwail, Stable Diffusion 3.5 Large Turbo costs $0.048 per image. Supported aspect ratios: 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, and 2:3.

SD 3.5 Large Turbo applies adversarial diffusion distillation to the 8B MMDiT base so it produces images in about 4 steps instead of 35. It is the speed-oriented sibling of SD 3.5 Large, trading a small amount of fine detail for much faster generation while retaining the improved typography of the 3.5 series.
04

Pricing

Prices in US dollars. Usage is charged from prepaid credits.
Per image$0.048 per image
  • 1 credit = $0.01

Cost calculator

Price calculator

Total

$4.80

480 credits

Per run

$0.048 Β· 4.8 credits

Fixed price per run, known before the run starts.

05

API

Call Stable Diffusion 3.5 Large Turbo with your Railwail API key. Use this model ID in the request:
stable-diffusion-3-5-large-turboAPI documentationGet an API key
curl https://railwail.com/api/v1/images/generations \
  -H "Authorization: Bearer $RAILWAIL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "stable-diffusion-3-5-large-turbo",
    "prompt": "A lighthouse on a rocky coast at sunset, photorealistic"
  }'
Set your key as RAILWAIL_API_KEYCreate API key
06

Specifications

Model ID
stable-diffusion-3-5-large-turbo
Developer
Stability AI
Input
Text
Output
Image
Output formats
WEBP, PNG, JPG
Aspect ratios
1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3
Billing
Fixed price, known before the run
Catalog entry updated
September 23, 2026

Input parameters

Inputs and settings from the model's input schema. The example in the API section shows which of them the API accepts.

  • cfg
    Type: Number
    Default: 1
    Allowed values: 0 to 10
  • seed

    Optional seed for reproducibility

    Type: Integer
    Default: –
    Allowed values: –
  • steps
    Type: Integer
    Default: 4
    Allowed values: 1 to 10
  • prompt

    What to generate

    Type: Text
    Default: –
    Allowed values: up to 2,000 characters
  • aspect_ratio
    Type: Choice
    Default: 1:1
    Allowed values: 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, or 2:3
  • output_format
    Type: Choice
    Default: webp
    Allowed values: webp, png, or jpg

Tags

  • replicate
  • stability-ai
  • stable-diffusion
  • text-to-image
  • fast
  • open-weights
  • flagship
07

Use cases

08

Frequently asked questions

What is Stable Diffusion 3.5 Large Turbo?

Stable Diffusion 3.5 Large Turbo is a model by Stability AI in the Image generation category. On Railwail you can call it with an API key through the Railwail API.

How much does Stable Diffusion 3.5 Large Turbo cost on Railwail?

On Railwail, Stable Diffusion 3.5 Large Turbo costs $0.048 per image. The price is known before the run starts. Usage is paid from prepaid credits; 1 credit equals $0.01.

Which settings does Stable Diffusion 3.5 Large Turbo support?

According to its input schema, Stable Diffusion 3.5 Large Turbo knows these parameters: cfg (0 to 10), seed, steps (1 to 10), prompt (up to 2,000 characters), aspect_ratio (1:1, 16:9, 9:16, 4:3, 3:4, 3:2, or 2:3), and output_format (webp, png, or jpg).

How fast is Stable Diffusion 3.5 Large Turbo?

There are not enough measured runs of Stable Diffusion 3.5 Large Turbo on Railwail yet to state a run time. It depends on the input, the settings and the load at the provider.

Is Stable Diffusion 3.5 Large Turbo better than FLUX 1.1 Pro?

That depends on the task. Stable Diffusion 3.5 Large Turbo (Stability AI) and FLUX 1.1 Pro (Black Forest Labs) are both models in the Image generation category. The comparison page shows their prices and specifications side by side.

Compare Stable Diffusion 3.5 Large Turbo and FLUX 1.1 Pro

How do I use Stable Diffusion 3.5 Large Turbo through the API?

Create a Railwail API key and send your request with the model ID stable-diffusion-3-5-large-turbo. Code examples for curl, Python and JavaScript are in the API section of this page.

09

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Use Stable Diffusion 3.5 Large Turbo via the API

One API key for every model on Railwail. Usage is charged from prepaid credits, 1 credit = $0.01.