falImage to videoComing soon

fal-ai/hunyuan-video-image-to-video

fal-ai/hunyuan-video-image-to-video is an image to video tool from fal that runs in the background and returns video. 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

$0.52 per video. The final charge comes from usage.

Limits

Runs
In the background
Returns
video
Longest queue wait
3600s
Run deadline
3600s
Largest inline input
1024 KB
Largest input file
500 MB
Largest output
4768 MB
Outputs per run
16

Input

FieldKindDefaultDescription
prompt requiredtext—The prompt to generate the video from.
image_url requiredURL or file—URL of the image input.
seednumber (whole)—The seed to use for generating the video.
aspect_ratioone of
16:9, 9:16
16:9The aspect ratio of the video to generate.
resolutiontext720pThe resolution of the video to generate.
num_framesnumber (whole)129The number of frames to generate.
i2v_stabilitytrue or falsefalseTurning on I2V Stability reduces hallucination but also reduces motion.

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/hunyuan-video-image-to-video",
    "input": {
      "prompt": "Two muscular cats boxing in a boxing ring.",
      "image_url": "https://storage.googleapis.com/falserverless/example_inputs/hunyuan_i2v.jpg"
    }
  }'