falImage to imageComing soon

wan/v2.6/image-to-image

wan/v2.6/image-to-image 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

$0.039 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

FieldKindDefaultDescription
prompt requiredtext—Text prompt describing the desired image. Supports Chinese and English. Max 2000 characters. Example: 'Generate an image using the style of image 1 and background of image 2'.
image_urls requiredURLs or files—Reference images for editing (1-3 images required). Order matters: reference as 'image 1', 'image 2', 'image 3' in prompt. Resolution: 384-5000px each dimension. Max size: 10MB each. Formats: JPEG, JPG, PNG (no alpha), BMP, WEBP.
negative_prompttextContent to avoid in the generated image. Max 500 characters.
image_sizeJSONsquare_hdOutput image size. Use presets like 'square_hd', 'landscape_16_9', 'portrait_9_16', or specify exact dimensions with ImageSize(width=1280, height=720). Total pixels must be between 768*768 and 1280*1280.
num_imagesnumber (whole)
1 to 4
1Number of images to generate (1-4). Directly affects billing cost.
enable_prompt_expansiontrue or falsetrueEnable LLM prompt optimization. Significantly improves results for simple prompts but adds 3-4 seconds processing time.
seednumber (whole)—Random seed for reproducibility (0-2147483647). Same seed produces more consistent results.

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": "wan/v2.6/image-to-image",
    "input": {
      "prompt": "Place the wizard from image 2 in the ancient library from image 3, holding and studying the magical crystal orb from image 1. The orb'\''s glow illuminates his…",
      "image_urls": [
        "<image_urls>"
      ]
    }
  }'