Models
Runway Gen-4.5
runway-gen-4-5Runway Gen-4.5 - cinematic text & image-to-video with strong motion quality and prompt adherence, 2-10s at 720p (silent).
Per second
$0.120
At the base resolution; you are billed the provider's actual cost when the clip completes. Failed clips are free.
4-second clip
~$0.48
Uptime · 24h
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No traffic yet
Details
- Type
- Video
- Input
- text, image
- Output
- video
- Lengths
- 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s
- Aspect ratios
- 16:9, 9:16
- Resolutions
- 720p
- 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": "runway-gen-4-5", "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