High-resolution candidates
inspect a larger output after deciding on composition.
Video generation
Veo 3.1 Fast
Combine short-form video controls with a 4K output option.
Loading model settings…
Your prompt, settings, and references stay together in a new Canvas.
01 / Meet the model
What can Veo 3.1 Fast do?
Veo 3.1 Fast combines text, frame, and visual-reference inputs with included audio. It offers a 4K choice alongside smaller resolutions, useful when the delivery format needs a larger frame. Keep input-mode restrictions in mind: visual references use a fixed supported clip length.
02 / Choose it for
Where Veo 3.1 Fast fits best
Frame transitions
guide a shot using opening and closing imagery.
Reference scenes
use a small visual set to communicate the subject.
03 / Before you create
Veo 3.1 Fast specifications
Model settings. Availability, input mode, and references can narrow the choices offered in Canvas.
- Inputs on this page
- Text prompt · Reference images · Start frame · End frame
- Aspect ratios
- 16:9 · 9:16
- Resolution
- 720p · 1080p · 4K
- Duration
- 4 / 6 / 8 seconds
- Audio
- Included; always enabled
- Visual references
- Up to 3 images
- Frame guidance
- Start frame + optional end frame
- Default output
- 720p · 8s · 16:9
- • With visual references: 8 seconds
04 / A closer look
Questions about Veo 3.1 Fast
Does selecting 4K change the available clip lengths?
Resolution and input mode are separate choices. Review the current composer after changing either: the visual-reference workflow retains its duration restriction. A larger resolution does not remove that constraint.
What can I use as input for Veo 3.1 Fast?
Text prompt · Reference images · Start frame · End frame. The input controls above show the options available for your selected mode.
Which formats does Veo 3.1 Fast support?
16:9 · 9:16. 720p · 1080p · 4K. With visual references: 8 seconds
How do I choose settings for Veo 3.1 Fast?
Start with the format you intend to publish, then choose the available output settings. Changing inputs can change the choices. Review the current Gem estimate before Generate; availability and cost can vary.