Loading…
FLUX 3 AI Video Generator
Make a video from a text prompt or photo with Flux 3. OnVid uses Flux 3, a multimodal AI model from Black Forest Labs that can work across video, images, audio, and action in one workflow.
120,000+ creators making videos with OnVid
★★★★★
4.8/5
One studio, every leading video model
Kling 3 4K · cinematic
Veo 3.1 native audio
Seedance 2 #1 arena
Wan 2.7 image-to-video
Hailuo 2.3 expressive
Hunyuan open sourceKling 3 4K · cinematicVeo 3.1 native audioSeedance 2 #1 arenaWan 2.7 image-to-videoHailuo 2.3 expressiveHunyuan open sourceWhat is Flux 3?
Flux 3 is a multimodal AI model from Black Forest Labs that can generate and understand video, images, audio, and action in one system. Its defining strength is that it treats those media types as connected parts of the same scene, which helps it reason about motion and context. If you want to try it without juggling separate tools, you can use Flux 3 on OnVid and turn a prompt or photo into a downloadable video.
Prompt to AI video fastChoose the lengthBring photos to life
FLUX 3 specs, pricing, and best uses
by Black Forest Labs
Black Forest Labs' unified image + video + audio model, with clips up to ~20 seconds.
- Resolution
- 1080p+
- Max length
- ~20s
- Audio
- Native (synced)
- Inputs
- Text · Image
- Best for
- Unified multimodal
- Cost
- 12 credits/clip · free to start on OnVid
Made with FLUX 3
Features
Inside Flux 3
The sections below cover the core capabilities people check before choosing a model, including how Flux 3 handles multimodal understanding, AI video creation, image work, and action prediction in one system.
Flux 3 native audio
Flux 3 native audio means Flux 3 can treat sound as part of the same multimodal system instead of leaving audio as a separate afterthought. That matters because motion, timing, and sound cues can stay aligned inside one AI video workflow. For creators, Flux 3 native audio is most useful when a scene needs action and sound to feel connected, such as footsteps, impacts, ambience, or spoken moments.
Flux 3 image to video motion understanding
Flux 3 image to video workflows are built around the model's broader understanding of images, motion, and actions. A single still image can become an AI video with camera movement and scene motion that follows the source content more closely. This matters most when you want to animate a portrait, product shot, or landscape without rebuilding the scene from scratch.
Flux 3 keyframe control
Flux 3 keyframe control gives you a more directed way to shape movement across an AI video. Instead of relying only on one prompt, Flux 3 can use structured visual guidance so important poses, camera beats, or transitions land closer to your intent. That makes Flux 3 more useful for sequences where consistency matters more than surprise.
Flux 3 video length flexibility
Flux 3 video length flexibility matters because many AI video models are strongest only in very short bursts. Flux 3 is positioned for broader multimodal sequence work, which makes it a better fit when you need more than a quick visual test. On practical projects, Flux 3 AI is most helpful when you want to build scenes that hold together across a longer span of motion and timing.
Free Black Forest Labs Flux 3 access
Free Black Forest Labs Flux 3 access is usually the first thing people look for when they want to test the model before moving into a paid workflow. What matters is access to the real Black Forest Labs model, then an easy way to compare its output with other AI video options in one place. In hands-on use, Flux 3 stands out when you want to test multimodal strengths like motion, image understanding, and audio-aware scene building without juggling separate model accounts.
Use cases
Who uses Flux 3 and what they make
Everyday creators, marketers, and hobbyists use Flux 3 to turn a prompt or photo into an AI video they can post, share, or build into a bigger project.
People making shareable AI videos from a simple idea
Flux 3 fits people who want an AI video from a quick prompt, then want to download it and send it to friends. OnVid gives these casual creators one place to test ideas fast without learning editing software.
AI video models
Flux 3 and more top AI video models in one studio
Pick the right model for each AI video idea inside OnVid, with no extra accounts and no juggling tools.
Most popular
Kling 3.0
Kuaishou
Cinematic 4K text-to-video with native audio and multi-shot consistency.
Res Up to 4KLength ~10s per clipBest Cinematic, multi-shot
| Model | Resolution | Max length | Best for | Speed |
|---|---|---|---|---|
| Kling 3.0 | Up to 4K | ~10s per clip | Cinematic, multi-shot | Max quality |
| Veo 3.1 | 1080p (up to 4K) | ~8s per clip | Native audio | Balanced |
| Seedance 2.0 | Up to 4K | ~12s | Sharp motion | Fast |
| MiniMax H3 | Native 2K | 5–15s (to ~30s) | 2K + references | Balanced |
| Hailuo 2.3 | 1080p | 6–10s | Expressive motion | Fast |
| FLUX 3 | 1080p+ | ~20s | Unified multimodal | Max quality |
| Seedance 2.5 | Native 4K | Up to 30s | Long 4K clips | Fast |
 Grok Imagine | Up to 720p | 6–15s | Fast clips with sound | Balanced |
How it works
How to generate with Flux 3
You go from idea or photo to a finished AI video in three steps using OnVid with Flux 3 selected as your model.
01
Add image
Open Flux 3 and add your prompt or image
Choose Flux 3 in OnVid, then type the scene you want or upload one image to guide the result. Start with a clear subject, action, and setting so the AI video comes out closer to what you pictured.
02
Kling 35s10s16:9Set the style and length for your AI video
Pick the look you want, such as cinematic, anime, or realistic, and choose how long you want the output to be before you generate. This is also the moment to review your prompt and make one quick edit if the motion or mood needs to be more specific.
03
Ready
Generate and download your AI video
Run the model and wait for OnVid to turn your input into a finished AI video you can preview right away. When it looks right, download the file in HD or share the link directly from the result screen.
Loved by creators
See what people make with Flux 3
Real examples help set expectations, and Flux 3 stands out when people want an AI video from a clear prompt or starting image.
★★★★★
“I typed a simple idea and got an AI video I could actually send to friends the same day. It looked polished without me having to learn any editing.”
★★★★★
“I used one photo from my camera roll and turned it into a moving scene in a few clicks. The AI video felt fun and personal, and I downloaded it right away.”
★★★★★
“Most video apps lose me fast, but this one gave me a finished AI video from a short prompt without any guesswork. I made a longer video than I expected and shared it with my group chat.”
Learn more
Your guide to Flux 3 on OnVid
See how Flux 3 handles prompts, styles, and everyday AI video tasks so you can quickly decide if it fits your idea.
Flux 3 image to video starts with one strong frame
Flux 3 image to video works best when the source photo has one clear subject, readable lighting, and a simple camera idea. Give Flux 3 a still image, then add a short prompt that says what should move, what should stay stable, and how the camera should travel. That usually produces a cleaner AI video than asking for many actions at once. In practice, Flux 3 AI is strongest when you treat the photo as a starting shot, then ask for subtle motion, depth, and one scene change instead of a full sequence.
Flux 3 native audio makes scenes feel more complete
Flux 3 native audio is a big reason people look at the model, because it aims to handle picture and sound as one multimodal system. That matters when timing affects the result, such as footsteps, room tone, simple speech beats, or action that should land with matching sound. Flux 3 performs best when the prompt names the sound source clearly instead of leaving audio implied. Ask for a rainy street with distant traffic, or a quiet room with one voice, and the video has a better chance of feeling coherent on the first pass.
How to use Flux 3 for cleaner prompts and faster retries
How to use Flux 3 well comes down to prompt structure, not prompt length. Start with subject, then setting, then movement, then camera, then style, and keep each part concrete. OnVid lets you test that workflow without juggling separate model accounts, so you can switch inputs and compare outputs in one place. It is a practical way to run Flux 3 with either text or a photo, then refine the result by changing one detail at a time instead of rewriting the whole prompt.
Flux 3 video length works best when the scene has one main action
Flux 3 video length should guide your scene design before you generate. Shorter ideas usually come out stronger when the action is focused, such as a portrait turning to camera, a car passing through rain, or a product shot with one slow orbit. Longer AI video plans need a clear beginning, middle, and end so motion does not drift between beats. If you want a shareable teaser after export, the MP4 to GIF tool is useful for turning one finished section into a loop without rebuilding the whole scene.
Flux 3 keyframe control matters most when you need more guided motion
Flux 3 keyframe control is worth checking when your scene needs movement to land closer to a planned beat. The bigger reason to choose Flux 3 is still its unified multimodal design, with image, video, audio, and action understanding working in one workflow. If you are comparing model pages on OnVid, keep the same prompt across tests and judge which AI video handles your exact scene more naturally. That gives you a clearer answer than changing both the model and the prompt at the same time.
Made with OnVid
One prompt, real Flux 3 results on OnVid
These are real AI videos made with OnVid from a single prompt. Hover any card to play and see how Flux 3 handles motion, detail, and style in the finished result.
FLUX 3
1995 internet documentary aesthetic — early web nostalgia
FLUX 3
1987 mall local news report, vintage broadcast style
FLUX 3
Woodstock 1969 documentary recreation — festival crowd and vibe
FLUX 3
Wright Brothers 1903 flight recreation, archival documentary feel
FLUX 3
1980s Loch Ness documentary — misty lake and vintage film look
Kling 3A hero dodges in bullet-time as the camera orbits, sci-fi action, moody teal
FAQ
Flux 3 questions, answered
These answers cover the facts people look for before trying Flux 3, including access, capabilities, limits, and how it fits inside an [AI video generator](/) workflow.
What does Flux 3 do?
Flux 3 is a multimodal model from Black Forest Labs that can generate and understand video, audio, and images, and it also supports action prediction. In practice, people use Flux 3 to turn prompts or visual inputs into a video with a stronger sense of motion, scene understanding, and timing.
Who makes Flux 3?
Black Forest Labs makes Flux 3. Black Forest Labs is known for generative AI research, and Flux 3 is positioned as a unified model rather than a single-purpose system limited to one media type.
How does Flux 3 work inside?
Flux 3 works by interpreting your prompt or input, building a scene plan, and then generating motion and visuals from that plan. OnVid gives you access to Flux 3 without needing a separate workflow for each model.
Is Flux 3 free to use?
Flux 3 is available through platforms with their own access rules, and free use depends on where you run it. OnVid lets you try Flux 3 in its free AI video generator, so you can test the model before deciding whether you need more usage.
What is the easiest way to try Flux 3?
A simple way to try Flux 3 is to use it on OnVid, where you can start from a prompt or photo without juggling separate model logins. You can make a video, preview the result, and then download or share it from the same workflow.
What quality can Flux 3 produce?
Flux 3 is built for high-quality generative output, but exact quality depends on the version, access point, and settings you use. The clearest way to judge Flux 3 is to test the same prompt across models and compare motion stability, detail, and scene coherence.
What is Flux 3 video length?
Flux 3 video length depends on the product layer that exposes the model, not just the model name itself. On OnVid, you choose the target length before you generate, which makes it easier to create a short video or a longer piece from the same idea.
Does Flux 3 native audio exist?
Flux 3 is described as a multimodal model with audio as part of its broader architecture, but native audio support can vary by release and platform implementation. If sound matters for your video, check the active model settings on the page where you generate.
Can Flux 3 image to video turn one photo into motion?
Yes, Flux 3 image to video is the right idea if you want a still image to become a moving scene. OnVid lets you upload a photo, apply motion and camera movement, and export a finished AI video from that single visual starting point.
How to use Flux 3 on OnVid?
To use Flux 3 on OnVid, choose the model, enter a prompt or upload an image, then pick your length and style before generating. OnVid handles the model access in one place, so using Flux 3 feels closer to making a video than managing a research tool.
Does Flux 3 support text, image, and video inputs?
Flux 3 is designed around multimodal understanding, so text and image-driven workflows fit its core strengths. Video input support depends on the specific implementation, so the best check is the live input options shown where you are generating.
How does Flux 3 compare with similar models?
Flux 3 stands out for its broader multimodal framing and its focus on connected scene understanding across media. If you want a side-by-side decision, compare models with the same prompt and see which video better matches your style and motion needs.
What is Flux 3 best for?
Flux 3 is best for people who want one model family that points toward unified media understanding instead of a narrow single-task generator. It fits concept clips, visual experiments, prompt-based storytelling, and image-led video work where scene interpretation matters.
What are the main limits of Flux 3?
Flux 3 still has the normal limits of current generative video systems, including prompt sensitivity, occasional motion oddities, and inconsistent output on complex actions. It is also important not to expect every platform using Flux 3 to expose the same controls, audio options, or file outputs.
How fast is Flux 3?
Flux 3 speed depends on queue load, chosen length, and the platform running the model. Shorter jobs usually finish faster, and the practical test is to keep your prompt focused, avoid extra complexity, and generate a shorter video first before extending it.
Can you download Flux 3 output and use it commercially?
Yes, you can usually download the video output if the platform provides export, but commercial use depends on that platform's terms and the source material you upload. Review the active usage policy before publishing client work, ads, or monetized content.
What should you do if Flux 3 results look weak or off-prompt?
Start by simplifying the prompt, naming one subject, one action, and one style instead of stacking many ideas at once. If Flux 3 still misses the mark, try a new seed, shorten the requested scene, or switch models on the models page to compare output behavior.
When was Flux 3 released, and where can you find current discussion about it?
Flux 3 release timing should be checked against Black Forest Labs announcements and the current model page, because access can expand in stages across platforms. For live user reactions, Reddit threads are useful for prompt tests and output examples, but they are not official documentation.
Ready to make your AI video? try this model on OnVid
Generate with Flux 3 on OnVid, switch models in one place, and start free from text prompts or photos.
No signup · No credit card · Free to start