falText to imageComing soon

fal-ai/lumina-image/v2

fal-ai/lumina-image/v2 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.

Priced by usage

Pricing

$0.0975 per megapixel. Each image_size preset counts as 1 MP, and a custom width × height rounds up to whole megapixels. Billed on num_images, default 1. The final charge comes from usage.

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 generate an image from.
image_sizeJSONlandscape_4_3The size of the generated image.
negative_prompttext 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).
system_prompttextYou are an assistant designed to generate superior images with the superior degree of image-text alignment based on textual prompts or user prompts.The system prompt to use.
seednumber (whole)— The same seed and the same prompt given to the same version of the model will output the same image every time.
guidance_scalenumber
0 to 20
4 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.
num_inference_stepsnumber (whole)
1 to 50
30The number of inference steps to perform.
cfg_normalizationtrue or falsetrueWhether to apply normalization-based guidance scale.
cfg_trunc_rationumber
0 to 1
1The ratio of the timestep interval to apply normalization-based guidance scale.
num_imagesnumber (whole)
1 to 4
1The number of images to generate.
output_formatone of
jpeg, png
jpegThe format of the generated image.

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/lumina-image/v2",
    "input": {
      "prompt": "A vibrant and artistic digital composition featuring colorful splashes of paint in the background, creating an energetic and dynamic effect. The text '\''Lumina on…"
    }
  }'