Models
FLUX.3 Video
flux-3-videoBlack Forest Labs FLUX.3 Video - top-ranked cinematic text & image-to-video, clips up to 20s, first/last-frame control and native audio.
Per second
$0.170
At the base resolution; you are billed the provider's actual cost when the clip completes. Failed clips are free.
4-second clip
~$0.68
Uptime · 24h
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No traffic yet
Details
- Type
- Video
- Input
- text, image
- Output
- video
- Lengths
- 5s, 6s, 8s, 10s, 12s, 15s, 20s
- Aspect ratios
- 16:9, 9:16, 1:1, 4:3, 3:4, 21:9
- Resolutions
- 720p, 1080p (×1.706)
- Image input
- First & last frame
- Seed
- No
- Audio track
- Yes
Supported parameters
promptsecondsaspect_ratiosizeresolutionimage_urllast_frame_image_urlgenerate_audioLast 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": "flux-3-video", "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