Models

HappyHorse 1.0
happyhorse-1-0Alibaba HappyHorse 1.0 - text & image-to-video, 3-15s clips at 720p/1080p in seven aspect ratios.
Per second
$0.099
At the base resolution; you are billed the provider's actual cost when the clip completes. Failed clips are free.
4-second clip
~$0.40
Uptime · 24h
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No traffic yet
Details
- Type
- Video
- Input
- text, image
- Output
- video
- Lengths
- 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s
- Aspect ratios
- 16:9, 9:16, 1:1, 4:3, 3:4, 21:9, 9:21
- Resolutions
- 720p, 1080p (×1.715)
- Image input
- First frame
- Seed
- Yes
- Audio track
- No
Supported parameters
promptsecondsaspect_ratiosizeresolutionimage_urlseedLast 24 hours
Requests per hour; red = provider errors.
- Avg latency
- —
- Avg first token
- —
- Throughput
- —
Use it
curl https://api.ultragpt.pro/v1/videos \
-H "Authorization: Bearer $ULTRAGPT_API_KEY" -H "Content-Type: application/json" \
-d '{ "model": "happyhorse-1-0", "prompt": "A paper boat in the rain", "seconds": 4, "size": "1280x720" }'
curl https://api.ultragpt.pro/v1/videos/video_... -H "Authorization: Bearer $ULTRAGPT_API_KEY"
curl -L https://api.ultragpt.pro/v1/videos/video_.../content -H "Authorization: Bearer $ULTRAGPT_API_KEY" -o clip.mp4