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FLUX.3 Video Generator
FLUX 3 Video Generator turns a prompt or a photo into a 20-second video with matching audio. Motion, dialogue, and effects arrive together.
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Inside the FLUX 3 Video Generator: One Model for Sight and Sound
Built by Black Forest Labs, the FLUX 3 Video Generator is a multimodal foundation model that studies motion, still imagery, and sound together rather than in isolation. Its unified architecture yields clips of up to 20 seconds that arrive already scored with audio, while preserving subtle facial acting and earning strong preference ratings against rival systems. Training follows the Self-Flow method.
- Trained Across Every ModalityBecause the model absorbs moving pictures, stills, and sound at the same time, the FLUX 3 Video Generator grasps how a real-world action, its look, and its noise connect.
- Audio Baked In, Not Bolted OnDialogue, effects, and room tone arrive with every render from the FLUX 3 Video Generator, so no separate audio pass or lip-sync work is ever needed.
- Extend a Single Shot into a StoryReference-guided rendering from the FLUX 3 Video Generator keeps faces and wardrobe steady as you stitch separate shots into sequences that run for minutes.
Getting Started with the FLUX 3 Video Generator in Four Steps
Pick an input style, describe the scene, and let the FLUX 3 Video Generator handle picture and sound together.
What the FLUX 3 Video Generator Can Do
A single engine covers five ways to make a video — from a written prompt, a still image, an existing clip, a pair of keyframes, or a previous audio track. Early side-by-side tests put the FLUX 3 Video Generator ahead of well-known rivals even before its final release.
Five Ways to Start a Video
Prompt it, animate a photo, restyle a clip, bridge two keyframes, or extend existing footage — every route runs through the same FLUX 3 Video Generator.
Faces That Actually Act
Micro-expressions, lines spoken in several languages, and small emotional shifts come through cleanly — early tests place the FLUX 3 Video Generator ahead of competing tools.
Self-Flow Training Method
The Self-Flow recipe from Black Forest Labs lets one network both interpret and produce across modalities, keeping every output internally consistent.
Wins in Head-to-Head Tests
In preliminary blind comparisons, viewers chose the FLUX 3 Video Generator over Grok Imagine Video 69% of the time, Runway Gen-4.5 77%, and Luma Ray 3.2 93% — and the model is still in development.
Languages and On-Screen Text
Speech in many languages stays intelligible and lettering renders cleanly, whether the FLUX 3 Video Generator is asked for handheld-documentary realism or full animation.
An Open-Weight Release on the Roadmap
Black Forest Labs intends to publish FLUX 3 Dev, an open-weight multimodal core, and to pair it with API access for the FLUX 3 Video Generator.
Answers About the FLUX 3 Video Generator
Quick answers on what the FLUX 3 Video Generator does, how it handles sound, and where Black Forest Labs is taking it next.
What exactly is the FLUX 3 Video Generator?
It is a multimodal foundation model from Black Forest Labs that studies pictures, motion, and sound as one subject. From it, the FLUX 3 Video Generator returns clips of up to 20 seconds that already carry their own audio, along with lifelike facial detail and five different ways to start a project.
Why not just use an ordinary video model?
Most systems learn from footage alone. The FLUX 3 Video Generator instead studies all three streams at once through Self-Flow training, which teaches it that a crash should sound like a crash, that objects fall the way physics says, and that a face should not change between frames.
Which ways of generating a video are supported?
You can start from a written prompt, a still photo, an existing clip, a pair of keyframes, or an audio track — the FLUX 3 Video Generator accepts all five.
Does the audio come with the video?
It does. Sound effects, spoken lines, and background ambience are produced in the same pass as the picture, so the FLUX 3 Video Generator never leaves you syncing audio in an editor afterwards.
How long can a single clip run?
One pass yields as much as 20 seconds. By feeding earlier output back in as a reference, the FLUX 3 Video Generator can link those pieces into sequences lasting several minutes with the same cast.
Will FLUX 3 be open source?
Black Forest Labs has said it will ship FLUX 3 Dev as an open-weight multimodal core. Until then, the FLUX 3 Video Generator is reachable through an early-access API and private weight access at bfl.ai.
Put the FLUX 3 Video Generator to Work
Write a scene, add a reference, and let one engine deliver picture and sound at the same time. The FLUX 3 Video Generator is ready when you are.