falVideo to videoComing soon

fal-ai/sync-lipsync/react-1

fal-ai/sync-lipsync/react-1 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

$13.00 per minute. Measured from the input file. 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

FieldKindDefaultDescription
video_url requiredURL or file—URL to the input video. Must be **15 seconds or shorter**.
audio_url requiredURL or file—URL to the input audio. Must be **15 seconds or shorter**.
emotion requiredone of
happy, sad, angry, disgusted, surprised, neutral
—Emotion prompt for the generation. Currently supports single-word emotions only.
model_modeone of
lips, face, head
faceControls the edit region and movement scope for the model. Available options: - `lips`: Only lipsync using react-1 (minimal facial changes). - `face`: Lipsync + facial expressions without head movements. - `head`: Lipsync + facial expressions + natural talking head movements.
lipsync_modeone of
cut_off, loop, bounce, silence, remap
bounceLipsync mode when audio and video durations are out of sync.
temperaturenumber
0 to 1
0.5Controls the expresiveness of the lipsync.

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/sync-lipsync/react-1",
    "input": {
      "video_url": "https://storage.googleapis.com/falserverless/example_inputs/react_1/input.mp4",
      "audio_url": "https://storage.googleapis.com/falserverless/example_inputs/react_1/input.mp3",
      "emotion": "happy"
    }
  }'