Model API

Stable Diffusion 3.5 Medium

Stable Diffusion 3.5 Medium is a Multimodal Diffusion Transformer (MMDiT) text-to-image model that features improved performance in image quality, typography, complex prompt understanding, and resource-efficiency.

Model id

Use this in every request

stable-diffusion-v35-medium

Run it

Quote the input, start the generation with the quote, then poll the job. Set RAYWAKE_API_KEY first; see Authentication.

# 1. Price the exact input (quotes are valid for up to 10 minutes)
curl -s https://api.raywake.com/v1/quotes \
  -H "Authorization: Bearer $RAYWAKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "stable-diffusion-v35-medium",
  "input": {
    "prompt": "A red ceramic cup on a wooden table, soft morning light"
  }
}'

# 2. Start the generation with the quote_id from step 1
curl -s https://api.raywake.com/v1/generate \
  -H "Authorization: Bearer $RAYWAKE_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{"model": "stable-diffusion-v35-medium", "quote_id": "QUOTE_ID", "input": {"prompt":"A red ceramic cup on a wooden table, soft morning light"}}'

# 3. Poll until the status is terminal
curl -s https://api.raywake.com/v1/jobs/JOB_ID \
  -H "Authorization: Bearer $RAYWAKE_API_KEY"

Input

Input fields for stable-diffusion-v35-medium
Name	Type	Description
`prompt`required	string	The prompt to generate an image from.
`negative_prompt`	string	The negative prompt to use. Use it to address details that you don't want in the image. This could be colors, objects, scenery and even the small details (e.g. moustache, blurry, low resolution).
`image_size`	string (enum)	The size of the generated image. Default: `landscape_4_3` One of: `square_hd`, `square`, `portrait_4_3`, `portrait_16_9`, `landscape_4_3`, `landscape_16_9`
`num_inference_steps`	integer	The number of inference steps to perform. Default: `40`
`seed`	integer	The same seed and the same prompt given to the same version of the model will output the same image every time.
`guidance_scale`	number	The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt when looking for a related image to show you. Default: `4.5`
`sync_mode`	boolean	If `True`, the media will be returned as a data URI and the output data won't be available in the request history. Default: `false`
`num_images`	integer	The number of images to generate. Default: `1`
`output_format`	string (enum)	The format of the generated image. Default: `jpeg` One of: `jpeg`, `png`
`auto_fix`	boolean	If true (default), the requested `image_size` is silently rounded to the nearest compatible value for this model. If false, the request returns a 422 error when the requested `image_size` is not directly compatible. Default: `true`

Output

A succeeded job lists its results under outputs, stored on our side. See Jobs for every field.

Job excerpt

"outputs": [
  { "type": "image", "url": "https://…", "mime_type": "image/png", "thumbnail_url": "https://…" }
]

Pricing

1 megapixel$0.04/ megapixel

The exact charge for your input comes from a quote. How charges settle