falVideo to videoComing soon

fal-ai/pixverse/v6/extend

fal-ai/pixverse/v6/extend 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

$0.0065 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

FieldKindDefaultDescription
video_url requiredURL or file—URL of the input video to extend
prompt requiredtext—Prompt describing how to extend the video. Limited to 2048 UTF-8 encoded bytes. Because the limit counts bytes rather than characters, emoji and non-Latin or accented characters (which use multiple bytes each) can push a visually short prompt over the cap.
negative_prompttextNegative prompt to be used for the generation. Limited to 2048 UTF-8 encoded bytes. Because the limit counts bytes rather than characters, emoji and non-Latin or accented characters (which use multiple bytes each) can push a visually short prompt over the cap.
styleone of
anime, 3d_animation, clay, comic, cyberpunk
—The style of the extended video
resolutionone of
360p, 540p, 720p, 1080p
720pThe resolution of the generated video
durationnumber (whole)
1 to 15
5The duration of the generated video in seconds. v6 supports values from 1 to 15 seconds
seednumber (whole)—Random seed for generation
generate_audio_switchtrue or falsefalseEnable audio generation (BGM, SFX, dialogue).

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/pixverse/v6/extend",
    "input": {
      "video_url": "https://v3.fal.media/files/rabbit/88-jI3VWXU4Q8kSNrWo3c_output.mp4",
      "prompt": "A kid is talking into camera"
    }
  }'