falText to imageComing soon

fal-ai/flux-2/turbo

fal-ai/flux-2/turbo 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

$0.0104 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.
guidance_scalenumber
0 to 20
2.5Guidance 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.
seednumber (whole)—The seed to use for the generation. If not provided, a random seed will be used.
image_sizeJSONlandscape_4_3The size of the image to generate. The width and height must be between 512 and 2048 pixels.
num_imagesnumber (whole)
1 to 4
1The number of images to generate.
enable_prompt_expansiontrue or falsefalseIf set to true, the prompt will be expanded for better results.
output_formatone of
jpeg, png, webp
pngThe 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/flux-2/turbo",
    "input": {
      "prompt": "A realistic photograph of a vintage typewriter with a sheet of paper inserted that says '\''Chapter One: The Journey Begins,'\'' sunlight falling across the desk."
    }
  }'