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FLUX.3 Video Generator
Create 20-second videos with synced sound using the FLUX.3 Video Generator — one multimodal AI that reads text, images, and clips. Try it free online.
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What Sets the FLUX.3 Video Generator Apart
The FLUX.3 Video Generator is a multimodal foundation model from Black Forest Labs that studies video, pictures, and sound inside one shared architecture. Introduced in July 2026, it turns out 20-second audiovisual clips, holds onto subtle facial expressions, and posts top-tier preference scores against rival video models — all resting on the Self-Flow training method.
- Trained on Video, Image, and Sound TogetherBecause the FLUX.3 Video Generator studies motion, visuals, and audio at the same time, it grasps how they relate to one another in the physical world.
- Built-In Audio, Up to 20 SecondsSound effects, spoken lines, and ambient beds are produced right alongside the picture, so every FLUX.3 Video Generator clip arrives already in sync.
- Chain Shots into Longer StoriesReference-based generation lets you stitch separate clips into multi-minute narratives while the FLUX.3 Video Generator keeps the same characters on screen.
Running the FLUX.3 Video Generator, Step by Step
Five input modes, one workspace — here is how the FLUX.3 Video Generator turns your idea into a finished clip with its own soundtrack.
What the FLUX.3 Video Generator Can Do
A single model covering text-to-video, image-to-video, video-to-video, keyframe transitions, and agentic shot chaining — the FLUX.3 Video Generator already beats well-known rivals in early preference tests, even before launch.
Five Creative Modes
Text-to-video, image-to-video continuity, video restyling, keyframe transitions, and audio-video continuation all live inside one FLUX.3 Video Generator.
Lifelike Human Expression
Facial nuance, multilingual speech, and emotional shading come through clearly, letting the FLUX.3 Video Generator outscore competing models in early benchmarks.
Self-Flow Training Backbone
Black Forest Labs' Self-Flow method lets the FLUX.3 Video Generator align generation and understanding of several modalities inside one underlying network.
Winning Preference Scores
In early head-to-head tests, viewers favored the FLUX.3 Video Generator over Grok Imagine Video 69% of the time, Runway Gen-4.5 77%, and Luma Ray 3.2 93%.
Multilingual Dialogue and Typography
Accurate speech in many languages and clean on-screen text rendering let the FLUX.3 Video Generator move from candid camcorder looks to full animation.
Open-Weight Release Planned
Black Forest Labs intends to publish FLUX 3 Dev, an open-weight multimodal backbone, together with API access to the FLUX.3 Video Generator.
FLUX.3 Video Generator: Frequently Asked Questions
Answers to the questions people ask most about the FLUX.3 Video Generator and the multimodal video engine behind it from Black Forest Labs.
What exactly is the FLUX.3 Video Generator?
It is a multimodal foundation model from Black Forest Labs that learns from video, images, and audio at once. The FLUX.3 Video Generator turns out 20-second audiovisual clips with built-in sound, expressive people, and five creative modes.
How does it differ from other video models?
Where most models only study footage, the FLUX.3 Video Generator picks up cross-modal rules — impacts sound right, motion follows physics, faces stay consistent — because it trains on every modality at once through Self-Flow.
Which generation modes are supported?
Text-to-video, image-to-video (continuation or reference), video restyling, keyframe-to-video transitions, and generative audio-video continuation from a supplied clip are all handled by the FLUX.3 Video Generator.
Can it create audio on its own?
Yes. Each FLUX.3 Video Generator result ships with synchronized sound — effects, spoken dialogue, and ambient background — so no separate audio step or manual syncing is required.
How long can the videos be?
A single pass of the FLUX.3 Video Generator yields clips of up to 20 seconds. With reference-based agentic chaining you can join those clips into multi-minute sequences that keep characters consistent.
Is FLUX 3 open source?
Black Forest Labs has said it will release FLUX 3 Dev as an open-weight multimodal backbone. Today the FLUX.3 Video Generator is reachable through early-access API and private weight access on bfl.ai.
Start Creating with the FLUX.3 Video Generator
See what one multimodal engine can do: the FLUX.3 Video Generator pairs every frame it renders with matching sound, because motion, picture, and audio are learned as a single whole.