# 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 per megapixel_per_second |
| Aspect Ratios | 16:9, 9:16 |
| Durations | 6s, 8s, 10s, 12s, 14s, 16s, 18s, 20s |

## Capabilities

- Audio Generation

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[Try LTX Video 2.3 Fast](https://next.app.layer.ai/me/session/new?baseModelId=LTX_V2_3_FAST) | [All Video Models](https://layer.ai/models/video) | [All Models](https://layer.ai/models)