falImage to videoComing soon

minimax/h3/reference-to-video

minimax/h3/reference-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

$0.065 per second. Billed on duration, default 5. 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—Text prompt for video generation. Refer to reference assets by their modality and order in the reference lists: Image 1, Image 2, Video 1, Audio 1, and so on.
durationnumber (whole)
5 to 15
5The duration of the video in seconds.
resolutionone of
480P, 768P, 2K, 4K
2KThe resolution of the generated video. 480P and 768P are native generation modes; 2K and 4K upscale a 768P base result.
seednumber (whole)—Random seed. A random seed is selected when omitted.
prompt_expansion_modetextbalancedHow much effort to spend rewriting the prompt before generation. 'disabled' skips prompt expansion. 'fast' returns in about a second. 'balanced' picks per request. 'quality' spends up to ~30s on a richer prompt.
aspect_ratioone of
adaptive, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16
adaptiveThe aspect ratio of the generated video.
reference_image_urlsURLs or files—URLs of subject/style reference images, referenced in the prompt as Image 1, Image 2, and so on. Reference images, videos, and audio clips must add up to at most 12 files.
reference_video_urlsURLs or files—URLs of motion/reference video clips (2-15 seconds each, combined duration at most 15 seconds), referenced in the prompt as Video 1, Video 2, and so on. Reference images, videos, and audio clips must add up to at most 12 files.
reference_audio_urlsURLs or files—URLs of reference audio clips (2-15 seconds each, combined duration at most 15 seconds), referenced in the prompt as Audio 1, Audio 2, and so on. Images, videos, and audio can be provided individually or together. Reference images, videos, and audio clips must add up to at most 12 files.

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": "minimax/h3/reference-to-video",
    "input": {
      "prompt": "Image 1 is the female protagonist. Image 2 is her small dog. Keep the woman and dog consistent with their respective reference images while they walk together…"
    }
  }'