falText to videoComing soon

alibaba/happy-horse/v1.1/text-to-video

Name: alibaba/happy-horse/v1.1/text-to-video
Brand: fal

alibaba/happy-horse/v1.1/text-to-video is a text 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: 3 $0.546, 4 $0.728, 5 (default) $0.91, 6 $1.092, 7 $1.274, 8 $1.456, 9 $1.638, 10 $1.82, 11 $2.002, 12 $2.184, 13 $2.366, 14 $2.548, 15 $2.73, otherwise $2.73 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

Field	Kind	Default	Description
`prompt` required	text	—	Text prompt describing the desired video. Max 2500 characters.
`aspect_ratio`	one of 16:9, 9:16, 1:1, 4:3, 3:4, 21:9, 9:21, 5:4, 4:5	16:9	Aspect ratio of the generated video.
`resolution`	one of 720p, 1080p	1080p	Output video resolution tier.
`duration`	one of 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15	5	Output video duration in seconds (3-15).
`seed`	number (whole)	—	Random seed for reproducibility (0-2147483647).

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": "alibaba/happy-horse/v1.1/text-to-video",
    "input": {
      "prompt": "A little girl walking on the road at sunset, cinematic lighting, smooth camera movement."
    }
  }'