BLACKFORESTLABS FLUX 3 Keyframes to Video
Generate a video that hits the supplied keyframe images at exact frame positions using FLUX 3.
What it does
BLACKFORESTLABS FLUX 3 Keyframes to Video, in practice.
FLUX 3 Keyframes to Video generates a video that hits your supplied images at exact frame positions. Provide up to 10 keyframe images each pinned to a specific frame index, add a prompt describing the overall motion, and the model interpolates a cinematic clip that passes through every keyframe precisely — with optional native audio.
- Frame-accurate image placement Pin up to 10 images to any frame position in the output video (24 fps).
- Full creative control Combine multiple visual anchors with a single guiding prompt.
- Native audio generation Produce video and synchronized audio in a single request.
- Explicit duration required Duration must be set explicitly to validate keyframe positions.
- Flexible aspect ratios `auto`, `21:9`, `2:1`, `16:9`, `4:3`, `1:1`, `3:4`, or `9:16`.
- High resolution output Generate videos in 720p or 1080p.
Run BLACKFORESTLABS FLUX 3 Keyframes to Video
from $0.26/secParameters
What you can set.
| Parameter | What it does | Options |
|---|---|---|
prompt | Text description of the video to generate. | |
keyframes | Keyframe images pinned to frame positions in the generated video. Up to 10 keyframes with unique frame_index values. Video is 24 fps; frame_index must be at most duration × 24. | |
aspect_ratio | Aspect ratio of the generated video. auto lets the model choose. | auto 21:9 2:1 16:9 4:3 1:1 3:4 9:16 |
resolution | Resolution of the generated video. | 720p 1080p |
duration | Duration of the generated video in seconds. An explicit duration is required to validate keyframe positions. | 5 6 7 8 9 10 11 12 13 14 15 16 |
generate_audio | Whether to generate audio for the video. | default True |
safety_tolerance | Safety tolerance level. 0 is the strictest and 4 is the most permissive. | default 2 |
seed | Random seed for reproducibility. |
Sample prompt
The prompt behind the sample.
A mysterious warrior activating a time-bending power, extending one hand toward an enemy and sending them flying through a distorted space-time field. The surrounding environment fractures like glass, with warped dimensions, floating debris frozen in time, and waves of cosmic energy spreading outward. Intense facial expressions, powerful motion, cinematic storytelling, sci-fi fantasy atmosphere, volumetric light, ultra detailed, IMAX movie frame.
aspect_ratio: 16:9resolution: 720pduration: 5generate_audio: Truesafety_tolerance: 2FAQ
Short answers.
How much does BLACKFORESTLABS FLUX 3 Keyframes to Video cost?
Pricing starts at $0.26 per second of video at the base resolution; higher resolutions and longer durations cost more. An 8-second clip at the base tier is about $2.04. Usage is billed per request from your balance — no subscription.
Does BLACKFORESTLABS FLUX 3 Keyframes to Video run uncensored here?
No. Black Forest Labs applies its own content policy to this model regardless of where it is called from. For a route without an extra platform filter use Uncensored MiniMax H3; this page lists BLACKFORESTLABS FLUX 3 Keyframes to Video for everything else it does well.
What does BLACKFORESTLABS FLUX 3 Keyframes to Video take as input?
It is a text-to-video model. Generate a video that hits the supplied keyframe images at exact frame positions using FLUX 3.
How do I use it?
Enter an invite code to open Chat with the model loaded, or join the waitlist. We open seats in batches and track which models are requested most.
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