Blackforestlabs · Video Processing

Flux 3 Extend Video for After Effects

FLUX 3 extend-video model (Black Forest Labs). Continue an existing clip beyond its final frame while preserving scene, motion, and visual continuity.

video Video Processing

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Video Processing

How to Use Flux 3 Extend Video in After Effects

Flux 3 Extend Video is a powerful AI model that lets you work with videos directly within Adobe After Effects using Ziframe. No need to switch applications or manually export files — everything happens right in your timeline.

Getting Started

  1. Install the Ziframe plugin for After Effects
  2. Open the Ziframe panel in After Effects (Window → Extensions → Ziframe)
  3. Select Flux 3 Extend Video from the model dropdown
  4. Configure your settings and work with videos
  5. Import the results directly into your composition

Why Use Flux 3 Extend Video?

Flux 3 Extend Video by Blackforestlabs offers cutting-edge video generation capabilities. When combined with Ziframe's native After Effects integration, you get:

  • Seamless workflow integration without leaving After Effects
  • Direct import of generated videos into your timeline
  • Pay-per-use pricing — only pay for what you generate
  • Professional-quality results from state-of-the-art AI

Pricing

Base: 41 credits per second

Adjustments:

resolution multiplier:
720p: 1x
1080p: 1.29x

Example Pricing:

3s at 480p: 173 credits
5s at 480p: 287 credits
10s at 480p: 574 credits
3s at 720p: 173 credits
5s at 720p: 287 credits
10s at 720p: 574 credits
3s at 1080p: 223 credits
5s at 1080p: 371 credits
10s at 1080p: 741 credits
Range: 287 - 1481 credits

Input Parameters

Prompt required string

The text prompt describing how the video continues from the source clip's final frames.

Video URL required string

URL of the input video. MP4, under 50 MB and under 15 seconds.

Aspect Ratio string

Aspect ratio of the generated video. Auto lets the model choose.

Default: auto

Options: auto, 21:9, 2:1, 16:9, 4:3, 1:1, 3:4, 9:16

Resolution string

Resolution of the generated video.

Default: 720p

Options: 720p, 1080p

Duration string

Duration of the generated video in seconds. Auto lets the model choose.

Default: auto

Options: auto, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

Generate Audio boolean

Whether to generate audio for the video.

Default: 1

Safety Tolerance integer

The safety tolerance level for the generated video. 0 is the strictest and 4 is the most permissive.

Default: 2

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Ready to use Flux 3 Extend Video?

Get started with Ziframe and access Flux 3 Extend Video directly in After Effects.

Download Ziframe View Pricing