falVideo to videoComing soon

fal-ai/ltx-2.3/retake-video

Name: fal-ai/ltx-2.3/retake-video
Brand: fal

fal-ai/ltx-2.3/retake-video is a video 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

$0.13 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: 1800s
Largest inline input: 1024 KB
Largest input file: 500 MB
Largest output: 4768 MB
Outputs per run: 16

Input

Field	Kind	Default	Description
`video_url` required	URL or file	—	The URL of the video to retake
`prompt` required	text	—	The prompt to retake the video with
`start_time`	number 0 to 20	0	The start time of the video to retake in seconds
`duration`	number 2 to 20	5	The duration of the video to retake in seconds
`retake_mode`	one of replace_audio, replace_video, replace_audio_and_video	replace_audio_and_video	The retake mode to use for the retake

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/retake-video",
    "input": {
      "video_url": "https://v3b.fal.media/files/b/0a90e00e/eNWXGtaGyZO--e6KcJh-3_171_video.mp4",
      "prompt": "Change flower to red rose"
    }
  }'