falText to imageComing soon

fal-ai/fast-lightning-sdxl

fal-ai/fast-lightning-sdxl is a text to image tool from fal that runs in the background and returns images. Coming soon: listed with its price, not yet open to runs.

This tool is listed but not yet available to run.

Price pending

Pricing

Price pending.

Limits

Runs
In the background
Returns
image
Longest queue wait
3600s
Run deadline
1800s
Largest inline input
1024 KB
Largest input file
500 MB
Largest output
4768 MB
Outputs per run
16

Input

FieldKindDefaultDescription
prompt requiredtext—The prompt to use for generating the image. Be as descriptive as possible for best results.
image_sizeJSONsquare_hdThe size of the generated image.
num_inference_stepsone of
1, 2, 4, 8
4The number of inference steps to perform.
seednumber (whole)null The same seed and the same prompt given to the same version of Stable Diffusion will output the same image every time.
num_imagesnumber (whole)
1 to 8
1The number of images to generate.
embeddingsJSON[]The list of embeddings to use.
safety_checker_versionone of
v1, v2
v1The version of the safety checker to use. v1 is the default CompVis safety checker. v2 uses a custom ViT model.
expand_prompttrue or falsefalseIf set to true, the prompt will be expanded with additional prompts.
formatone of
jpeg, png
jpegThe format of the generated image.
request_idtext An id bound to a request, can be used with response to identify the request itself.

Same request in code

curl https://api.spiral.ai/v1/runs \
  -H "Authorization: Bearer $SPIRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "provider": "fal",
    "model": "fal-ai/fast-lightning-sdxl",
    "input": {
      "prompt": "photo of a girl smiling during a sunset, with lightnings in the background"
    }
  }'