# LTX Video 2.3 Fast

> Video AI Model by Lightricks — available on Layer

Speed-optimized LTX video model with extended duration support up to 20 seconds and portrait mode.

LTX Video 2.3 Fast is the speed-optimized variant of the latest Lightricks video generation model. It enables rapid production of videos up to 20 seconds with the new VAE architecture for enhanced detail reproduction. This Fast version is perfect for social media creators and marketers who need quick turnaround on high-quality video content with synchronized audio.

## Specifications

| Property | Value |
|----------|-------|
| Provider | Lightricks |
| Category | Video |
| Price | 0.6 / megapixel second |
| Aspect Ratios | 16:9, 9:16 |
| Durations | 6s, 8s, 10s, 12s, 14s, 16s, 18s, 20s |

## Capabilities

- Audio Generation

## Frequently Asked Questions

### How much does LTX Video 2.3 Fast cost? Is it free?

Generating assets on Layer requires using Creative Units. This model's current price is 0.6 / megapixel 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.

### What Elo score does LTX Video 2.3 Fast have?

LTX Video 2.3 Fast has an Artificial Analysis Arena Elo of 1150, which places it #57 of the 84 scored video models on Layer. Gemini Omni Flash leads that ranking with an Elo of 1368.

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