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fal-ai/ltx-2.3/image-to-video

fal-ai/ltx-2.3/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

duration: 6 (default) $0.624, 8 $0.832, 10 $1.04, otherwise $1.04 per run. 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
image_url requiredURL or file—The URL of the start image to use for the generated video.
end_image_urlURL or file—The URL of the end image to use for the generated video. When provided, generates a transition video between start and end frames.
prompt requiredtext—The prompt to use for the generated video
durationone of
6, 8, 10
6The duration of the generated video in seconds
resolutionone of
1080p, 1440p, 2160p
1080pThe resolution of the generated video
aspect_ratioone of
auto, 16:9, 9:16
autoThe aspect ratio of the generated video. If 'auto', the aspect ratio will be determined automatically based on the input image.
fpsone of
24, 25, 48, 50
25The frames per second of the generated video
generate_audiotrue or falsetrueWhether to generate audio for the generated video

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/ltx-2.3/image-to-video",
    "input": {
      "image_url": "https://v3b.fal.media/files/b/0a90dd31/uJG2pMMJMcnVeC4PmwnAF_image_004.png",
      "prompt": "Periscope-level shot from behind tall grass of two Maasai warriors mid-leap during an adumu jumping dance, bodies fully airborne against a golden savanna…"
    }
  }'