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FLUX.3 Video Generator
Type a prompt or drop in a frame and the FLUX.3 Video Generator returns a 20-second clip with audio already in sync. Five modes, no editing timeline.
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What Sets the FLUX.3 Video Generator Apart
Built by Black Forest Labs, this multimodal foundation model learns from footage, stills, and sound inside one shared architecture instead of stitching separate systems together. Launched in July 2026, it renders 20-second clips with matching audio, keeps facial detail lifelike, and scores at the top of blind preference tests against rival video engines — thanks to the Self-Flow training method.
- One Model, Three ModalitiesBecause footage, stills, and audio are learned together, the engine grasps how movement, imagery, and sound behave as a single physical event.
- Sound Born With the PictureDialogue, effects, and room ambience arrive already matched to the visuals in every clip — nothing has to be layered on in post-production.
- Chain Shots Into Longer StoriesReference-guided generation links separate clips into multi-minute sequences while the same characters stay recognisable scene after scene.
How the FLUX.3 Video Generator Turns a Prompt Into a Clip
Five input modes and one engine — here is the quickest route to a finished clip with matching sound.
Core Capabilities of the FLUX.3 Video Generator
A single engine covers five creative routes — written prompts, still-image animation, footage restyling, keyframe transitions, and chained multi-shot narratives — and the FLUX.3 Video Generator already outranks established rivals in early side-by-side preference testing.
Five Creative Routes
Written prompts, image continuation, footage restyling, keyframe transitions, and audio-led continuation all run on the same underlying model.
Lifelike Human Performance
Facial nuance, multilingual delivery, and subtle emotional shifts land more convincingly than rival engines in early benchmark rounds.
Self-Flow Training Backbone
Black Forest Labs' Self-Flow method keeps generation and comprehension aligned inside one network instead of two disconnected halves.
Wins in Blind Comparisons
Human raters picked it over Grok Imagine Video 69% of the time, Runway Gen-4.5 in 77%, and Luma Ray 3.2 in 93% — and the model is still improving.
Multilingual Dialogue and Clean Text
On-screen typography stays legible and spoken lines land in the right language, whether the look is handheld camcorder or stylised animation.
Open Weights on the Roadmap
An open-weight multimodal backbone, FLUX 3 Dev, is planned alongside API access for developers who want to build on the stack.
Questions About the FLUX.3 Video Generator
Straight answers on modes, clip length, audio, licensing, and what Black Forest Labs has planned next.
What exactly does this generator do?
It is a multimodal foundation model from Black Forest Labs that learns from footage, stills, and sound together. Each run returns up to 20 seconds of video with built-in audio, detailed facial performance, and five selectable generation modes.
How does it differ from other video models?
Most engines learn from visuals alone. This one picks up cross-modal rules — a slam sounds like a slam, objects obey weight and momentum, faces stay steady — because every modality is trained at the same time through Self-Flow.
Which generation modes are supported?
Five: text-to-video, image-to-video for continuation or reference, video-to-video restyling, keyframe-to-video transitions, and audio-video continuation that extends an existing clip.
Does it produce audio as well as video?
Yes. Sound effects, spoken lines, and background ambience are generated in the same pass and stay in sync, so there is no separate audio tool or manual aligning to do.
How long can a single clip run?
One generation tops out at 20 seconds. By chaining clips through reference-based generation, you can assemble multi-minute sequences where the characters remain consistent.
Will the weights be released openly?
FLUX 3 Dev, an open-weight multimodal backbone, is on the roadmap. Access to the full model is currently offered through early API and private weight channels at bfl.ai.
Start Creating With the FLUX.3 Video Generator
Put one prompt in and watch picture and sound come out together. The FLUX.3 Video Generator handles text, images, and clips in a single pass — try it free right here.