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fal-ai/flux-pro/v1/fill-finetuned

Name: fal-ai/flux-pro/v1/fill-finetuned
Brand: fal

fal-ai/flux-pro/v1/fill-finetuned 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.

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

Field	Kind	Default	Description
`prompt` required	text	—	The prompt to fill the masked part of the image.
`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` required	URL or file	—	The image URL to generate an image from. Needs to match the dimensions of the mask.
`mask_url` required	URL or file	—	The mask URL to inpaint the image. Needs to match the dimensions of the input image.
`finetune_id` required	text	—	References your specific model
`finetune_strength` required	number 0 to 2	—	Controls finetune influence. Increase this value if your target concept isn't showing up strongly enough. The optimal setting depends on your finetune and prompt

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/fill-finetuned",
    "input": {
      "prompt": "A knight in shining armour holding a greatshield with \"FAL\" on it",
      "image_url": "https://storage.googleapis.com/falserverless/flux-lora/example-images/knight.jpeg",
      "mask_url": "https://storage.googleapis.com/falserverless/flux-lora/example-images/mask_knight.jpeg",
      "finetune_id": "<finetune_id>",
      "finetune_strength": 0
    }
  }'