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fal-ai/gemini-25-flash-image/edit

Name: fal-ai/gemini-25-flash-image/edit
Brand: fal

fal-ai/gemini-25-flash-image/edit 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

$0.05174 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 for image editing.
`num_images`	number (whole) 1 to 4	1	The number of images to generate.
`seed`	number (whole)	—	The seed for the random number generator.
`aspect_ratio`	one of auto, 21:9, 16:9, 3:2, 4:3, 5:4, 1:1, 4:5, 3:4, 2:3, 9:16	auto	The aspect ratio of the generated image.
`output_format`	one of jpeg, png, webp	png	The format of the generated image.
`safety_tolerance`	one of 1, 2, 3, 4, 5, 6	4	The safety tolerance level for content moderation. 1 is the most strict (blocks most content), 6 is the least strict.
`image_urls` required	URLs or files	—	The URLs of the images to use for image-to-image generation or image editing.
`limit_generations`	true or false	true	Experimental parameter to limit the number of generations from each round of prompting to 1. Set to `True` to to disregard any instructions in the prompt regarding the number of images to generate.

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/gemini-25-flash-image/edit",
    "input": {
      "prompt": "make a photo of the man driving the car down the california coastline",
      "image_urls": [
        "<image_urls>"
      ]
    }
  }'