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FLUX.3 Video Generator
Describe a scene or upload a still frame and get back a 20-second video with matching audio. The FLUX.3 Video Generator handles motion, dialogue and sound.
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What Sets the FLUX.3 Video Generator Apart
The FLUX.3 Video Generator is Black Forest Labs' multimodal foundation model, built so that footage, stills and sound are learned together inside one architecture rather than bolted on separately. Launched in July 2026, it returns 20-second audiovisual clips, reads subtle shifts in human faces, and scores above leading rivals in early preference tests thanks to its Self-Flow training method.
- Trained Across Every ModalityBecause motion, imagery and sound are learned side by side, the model grasps how a real-world action should look and sound at the very same moment.
- Audio Built Into Every ClipSound effects, spoken lines and room ambience arrive already matched to the picture, so nothing has to be layered in afterwards.
- Chain Clips Into Longer StoriesReference-based generation carries the same characters and look from scene to scene, letting short shots grow into multi-minute narratives.
Working With the FLUX.3 Video Generator, Step by Step
Five input modes, one simple workflow — here is how to get synchronized picture and sound out of the FLUX.3 Video Generator.
Core Strengths of the FLUX.3 Video Generator
A single system covers script-to-video, image animation, clip restyling, keyframe bridges and multi-shot chaining. Even before release, the FLUX.3 Video Generator was picked over several established rivals in blind preference testing.
Five Ways to Generate
Script-to-video, image continuation, clip restyling, keyframe bridging and audio continuation are all available inside the same FLUX.3 Video Generator.
Convincing Human Expression
Facial nuance, dialogue in several languages and fine emotional shifts come through clearly, placing the model ahead of competing systems in early benchmarks.
Self-Flow Training Approach
Black Forest Labs' Self-Flow method aligns generation and understanding inside one underlying model instead of stitching several separate ones together.
Strong Preference Results
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% of the time and Luma Ray 3.2 93% of the time.
Multilingual Dialogue and Typography
On-screen text stays legible and spoken lines land in the right language, whether the output mimics handheld camcorder footage or stylized animation.
Open-Weight Release on the Way
Black Forest Labs intends to publish FLUX 3 Dev as an open-weight multimodal backbone while offering 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, its multimodal engine and the Black Forest Labs technology behind it.
What exactly is the FLUX.3 Video Generator?
It is a multimodal foundation model from Black Forest Labs that learns from footage, still images and audio at the same time. Clips run up to 20 seconds, arrive with their own soundtrack, and can be produced through five different generation modes.
How does it differ from other video models?
Most video models only ever see footage. This one also learns from sound and images, so it picks up cross-modal rules — a door slam looks the way it sounds, movement follows physical logic, and a face stays consistent from shot to shot.
Which generation modes are available?
Five: script-to-video, image-to-video for continuation or reference, clip restyling, keyframe-to-video transitions, and audio-video continuation that extends an existing recording into new material.
Does the output include sound?
Always. Sound effects, spoken dialogue and background ambience are produced in the same run as the picture, so nothing has to be generated separately or synced afterwards.
How long can a single clip run?
Up to 20 seconds per generation. By chaining reference-based shots together, the FLUX.3 Video Generator can assemble multi-minute sequences while keeping characters and settings consistent.
Will FLUX 3 be released as open source?
Black Forest Labs has said it plans to ship FLUX 3 Dev as an open-weight multimodal backbone. For now, the FLUX.3 Video Generator can be reached through early-access API and private weight access on bfl.ai.
Put the FLUX.3 Video Generator to Work
See what happens when motion, picture and sound are produced as one. The FLUX.3 Video Generator is ready when you are — describe your scene and watch it come back with audio attached.