# Kling v4 Flash

> Video AI Model by Kling — available on Layer

Generate fast 720p videos from a prompt or a first frame, with optional native audio.

Kling v4 Flash is the speed tier of Kling's version 4 video model, generating 720p clips from 3 to 20 seconds. It supports text-to-video and image-to-video (first frame only, no end frame) in 16:9, 9:16, 1:1, and 21:9, with an optional native audio track.

## Specifications

| Property | Value |
|----------|-------|
| Provider | Kling |
| Category | Video |
| Price | 2.4 / second |
| Aspect Ratios | 16:9, 9:16, 1:1, 21:9 |
| Durations | 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s, 16s, 17s, 18s, 19s, 20s |

## Capabilities

- Audio Generation

## Frequently Asked Questions

### How much does Kling v4 Flash cost? Is it free?

Generating assets on Layer requires using Creative Units. This model's current price is 2.4 / second.

### How does Layer's pricing work?

There are no seat fees, feature gates, or plans on Layer. Instead, our platform uses a consumption based system with Creative Units (CUs) with a flexible monthly subscription. Every generation on Layer (image, video, 3D, or audio) consumes a Creative Unit, and you only pay for what you create.

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