Text
- Duration
- 5 to 20s
- Resolution
- 720p · 1080p
- Aspect ratio
- 21:9 · 16:9 · 4:3 · 1:1 · 3:4 · 9:16
- Native audio
- On or off
FLUX 3 Max AI video generator
Fast FLUX video with native audio. Make 5 to 20s clips up to 1080p in your browser, and see the credit price before you generate.
- Black Forest Labs
- Text · First and last frame
- 5 to 20s
- 720p to 1080p
- Native audio
- From 64 credits
Example
What you can do with FLUX 3 Max
What this model can do here, taken from its live settings. Try any of them in the generator above.
Start from a prompt
Describe the subject, setting and camera move in plain words. FLUX 3 Max follows detailed briefs, so name what matters most first.
Set the first and last frame
Upload where the shot starts and where it ends, and FLUX 3 Max fills the motion in between. Good for transitions and product reveals.
Native audio in the same pass
Turn on audio and the clip comes back with sound that matches the action, with no separate sound step.
Pick length and resolution
Clips run 5 to 20s. Output from 720p to 1080p. Aspect ratios 21:9, 16:9, 4:3, 1:1, 3:4, 9:16.
How to use FLUX 3 Max
- 01
Pick an input
Start from text to video, image to video, frames to video. Upload files where the input needs them.
- 02
Describe the result and set options
Write what you want to see, then choose length, resolution, aspect ratio. The credit price updates as you go.
- 03
Generate and download
Most clips finish in one to three minutes. Download the file, or tweak the prompt and run it again.
FLUX 3 Max pricing
Longer clips and higher resolution cost more. The generator shows the exact price for your settings before anything is charged.
- Starting price
- 64 credits per clip
- In dollars
- ≈ $0.64 at the Starter pack rate
- Free to try
- 48 credits on sign up, no card
FLUX 3 Max compared with similar models
Live specs and starting prices. Click a model to open its page.
| Spec | FLUX 3 Max | Kling 4.0 | Seedance 2.5 | Veo 3.1 |
|---|---|---|---|---|
| Maker | Black Forest Labs | Kuaishou | ByteDance | |
| Starting price | 64 credits | 194 credits | 116 credits | 192 credits |
| Inputs | Text · First and last frame | Text · First and last frame · Reference | Text · First and last frame · Reference | Text · First and last frame |
| Max input files | 2 | 15 | 50 | 2 |
| Duration | 5 to 20s | 3 to 30s | 4 to 30s | 4 to 8s |
| Resolution | 720p · 1080p | 720p · 1080p | 480p · 720p · 1080p | 720p · 1080p · 4K |
| Aspect ratio | 21:9 · 16:9 · 4:3 · 1:1 · 3:4 · 9:16 · auto | 16:9 · 9:16 · 1:1 · 21:9 · auto | auto · 21:9 · 16:9 · 4:3 · 1:1 · 3:4 · 9:16 | 16:9 · 9:16 |
| Native audio | Yes | Yes | Yes | Yes |
Full FLUX 3 Max settings
ShowHide
First and last frame
Up to 2 files
- Duration
- 5 to 20s
- Resolution
- 720p · 1080p
- Aspect ratio
- auto
- Native audio
- On or off
Related models
FLUX 3 Video
Video with native audio up to 4K
From 204 credits
FLUX.2 Max
Maximum fidelity for art and design
From 17 credits
FLUX.2 Pro
Professional generation and edits
From 8 credits
Kling 3.0
Up to 4K with optional native audio
From 101 credits
Kling 2.6
Motion control and reference to video
From 56 credits
Seedance 2.0
Text, image and up to 15 references
From 80 credits
FLUX 3 Max questions
What is FLUX 3 Max?
FLUX 3 Max is Black Forest Labs's AI video model: fast FLUX video with native audio. On FrameMux you run it in the browser with credits, next to every other model.
Is FLUX 3 Max free to try?
Yes. New accounts get 48 free credits with no card. FLUX 3 Max starts at 64 credits per clip, so use the free credits to test lower cost models and top up for FLUX 3 Max.
How much does FLUX 3 Max cost?
From 64 credits per clip at the lowest settings, about $0.64. Longer clips and higher resolution cost more, and the exact price shows before you generate. Credit packs start at $9.90 for 990 credits.
What inputs does FLUX 3 Max accept?
Text, First and last frame. You can upload up to 2 files per job. JPG, PNG and WebP images up to 10 MB each. The panel only shows the options this model accepts.
Which lengths, resolutions and aspect ratios does FLUX 3 Max support?
Length: 5 to 20s. Resolution: 720p, 1080p. Aspect ratio: 21:9, 16:9, 4:3, 1:1, 3:4, 9:16. Longer and sharper outputs cost more credits.
Does FLUX 3 Max generate audio?
Yes. Turn on native audio in the settings and the clip comes back with matching sound. Leave it off to save credits when you plan to add your own track.
How do I keep a character or product consistent with FLUX 3 Max?
Use reference mode and upload up to 2 clear images of the same subject from different angles. Describe the subject the same way in every prompt.
Do I need a Black Forest Labs account or API key?
No. You use FLUX 3 Max in the browser with FrameMux credits. There is no API key to set up and no separate subscription.
Can I use FLUX 3 Max results commercially?
Paid credit packs and plans include commercial use, within Black Forest Labs's terms for FLUX 3 Max.
Can I upload photos of real people?
Only photos you have permission to use. Content of real people without consent and adult content are blocked, and blocked prompts never use credits.
Are my FLUX 3 Max results private?
Yes. Uploads and results are private to your account and are deleted after 30 days, so download what you want to keep.
What happens if a FLUX 3 Max job fails?
The credits return to your balance automatically, and the error tells you what to change.
How does FLUX 3 Max compare with Kling 4.0?
FLUX 3 Max starts at 64 credits per clip and Kling 4.0 at 194. The table above lists inputs, length and resolution side by side. The quickest way to choose is to run the same prompt on both.
Start your first FLUX 3 Max clip
48 free credits, price shown first, credits back if a job fails.
Create with FLUX 3 Max