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

## Capabilities

- Audio Generation

---

[Try LTX Video 2.5 Fast](https://next.app.layer.ai/me/session/new?baseModelId=LTX_V2_5_FAST) | [All Video Models](https://layer.ai/models/video) | [All Models](https://layer.ai/models)