falImage to imageComing soon

fal-ai/flux-pulid

Name: fal-ai/flux-pulid
Brand: fal

fal-ai/flux-pulid is an image 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

$0.04329 per megapixel. Each image_size preset counts as 1 MP, and a custom width × height rounds up to whole megapixels. 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.
`reference_image_url` required	text	—	URL of image to use for inpainting.
`image_size`	JSON	landscape_4_3	The size of the generated image.
`num_inference_steps`	number (whole) 1 to 50	20	The number of inference steps to perform.
`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.
`guidance_scale`	number 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.
`negative_prompt`	text		The prompt to generate an image from.
`start_step`	number (whole) 0 to 50	0	The number of steps to start the CFG from.
`true_cfg`	number 1 to 10	1	The weight of the CFG loss.
`id_weight`	number 0 to 1	1	The weight of the ID loss.
`max_sequence_length`	one of 128, 256, 512	128	The maximum sequence length for the model.

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-pulid",
    "input": {
      "prompt": "a woman holding sign with glowing green text '\''PuLID for FLUX'\''",
      "reference_image_url": "https://storage.googleapis.com/falserverless/gallery/example_inputs_liuyifei.png"
    }
  }'