# LTX Video 2.5 Fast

> Video AI Model by Lightricks — available on Layer

Speed-optimized LTX 2.5 audio-video model with 720p–4K output and clips up to 20 seconds.

LTX Video 2.5 Fast is the speed-optimized mode of Lightricks LTX-2.5, generating synchronized video and audio from text or image in a single pass. It supports 720p, 1080p, 1440p, and 4K at 16:9 or 9:16, with durations from 6 to 20 seconds—ideal for rapid iteration, social previews, and high-throughput production.

## Specifications

| Property | Value |
|----------|-------|
| Provider | Lightricks |
| Category | Video |
| Price | 2 / 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 2.5 Fast cost? Is it free?

Generating assets on Layer requires using Creative Units. This model's current price is 2 / 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 2.5 Fast have?

LTX Video 2.5 Fast has an Artificial Analysis Arena Elo of 1215, which places it #45 of the 84 scored video models on Layer. Gemini Omni Flash leads that ranking with an Elo of 1368.

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