falText to imageComing soon

fal-ai/flux-pro/v1.1-ultra

Name: fal-ai/flux-pro/v1.1-ultra
Brand: fal

fal-ai/flux-pro/v1.1-ultra 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

$0.078 per image. 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

Field	Kind	Default	Description
`prompt` required	text	—	The prompt to generate an image from.
`seed`	number (whole)	—	The same seed and the same prompt given to the same version of the model will output the same image every time.
`num_images`	number (whole) 1 to 4	1	The number of images to generate.
`output_format`	one of jpeg, png	jpeg	The format of the generated image.
`safety_tolerance`	one of 1, 2, 3, 4, 5, 6	2	The safety tolerance level for the generated image. 1 being the most strict and 5 being the most permissive.
`enhance_prompt`	true or false	false	Whether to enhance the prompt for better results.
`image_url`	URL or file	—	The image URL to generate an image from.
`image_prompt_strength`	number 0 to 1	0.1	The strength of the image prompt, between 0 and 1.
`aspect_ratio`	JSON	16:9	The aspect ratio of the generated image.
`raw`	true or false	false	Generate less processed, more natural-looking images.

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-pro/v1.1-ultra",
    "input": {
      "prompt": "Extreme close-up of a single tiger eye, direct frontal view. Detailed iris and pupil. Sharp focus on eye texture and color. Natural lighting to capture…"
    }
  }'