Video model · Black Forest Labs

FLUX 3 Max AI Video Generator

FLUX 3 Max is Black Forest Labs' video model. It reasons about your prompt before it renders, then produces up to 20 seconds of 720p or 1080p video with native audio, from text, a photo, or a first and last frame.

Try FLUX 3 Max See pricing

Text to Video
Image to Video
First & Last Frame

Length: 5–20s
Resolution: 720p · 1080p
Audio: Native, optional
Modes: Text · Image · First & Last
From: 867 credits

Sample output from FLUX 3 Max on Trendai.video.

What is FLUX 3 Max?

The FLUX image models are known for detail and prompt accuracy; FLUX 3 brings that to video. The Max version adds a reasoning step that expands your prompt into a full shot plan, which helps with complex scenes and camera moves.

It renders at 24 frames per second in eight aspect ratios, including 21:9 and 2:1 for cinematic framing.

What you can do with it

Text to video. Write the scene in plain language; FLUX 3 Max plans the shot and renders it.
Image to video. Start from your photo as the first frame.
First & last frame. Pin both ends and let the model fill in the motion.
Cinematic ratios. auto, 21:9, 2:1, 16:9, 4:3, 1:1, 3:4 and 9:16.
Native audio. Sound generated with the picture, or switch it off.

FLUX 3 Max pricing

You pay in credits for each video; the price for your exact settings is shown on the Generate button before you start. Failed generations are refunded automatically.

Credits per video
Resolution	5s	10s	15s	20s
720p	867	1,590	2,313	3,035
1080p	1,479	2,712	3,944	5,177

How to use FLUX 3 Max

Open the generator with the model selected (the Try button on this page does it).
Pick a mode: Text to Video, Image to Video, or First & Last Frame.
Write the shot: subject, action, camera move, lighting and mood.
Set the length, resolution and aspect ratio. The price updates as you change them.
Generate and download the MP4. There is no watermark.

FLUX 3 Max prompt ideas

Cinematic opener

Wide anamorphic shot of a lone rider crossing red desert dunes at dusk, long shadows, the camera slowly cranes down to the horse's hooves kicking sand, wind and a distant drum.

Fashion film

A model in a sculptural white gown walks through a hall of mirrors, reflections multiplying, the camera dollies backward in front of her, soft high-key light, elegant string music.

Macro nature

Extreme macro of a dewdrop sliding down a fern leaf in a rainforest, the drop catches the sunrise and falls, rack focus to a frog on the branch behind, rain ambience.

Frequently asked questions

Is FLUX 3 Max a video model?

Yes. FLUX 3 Max is Black Forest Labs' video model: it turns text or images into video clips with native audio.

How long can a FLUX 3 Max video be?

From 5 to 20 seconds, in whole seconds.

What resolutions are available?

720p and 1080p.

Why is the price a little above the per-second rate?

The model can render slightly past the length you ask for, and the provider bills the rendered length, so the price includes one extra second.

What happens if a generation fails?

The credits are refunded automatically. You are only charged for results you get.

Is adult or 18+ content allowed?

No. Trendai.video is for safe-for-work content only. Nudity, sexual content, real people without their consent and anything illegal are not allowed; prompts and outputs are moderated and accounts that try are removed.

Other models on Trendai.video

Start with FLUX 3 Max

From 867 credits. No watermark, refunds on failed jobs.

Open the generator