> For the complete documentation index, see [llms.txt](https://docs.flora.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flora.ai/models/video-models/ltx-2-pro-by-lightricks.md).

# LTX-2 Pro (by Lightricks)

### Overview

Fast video model with built-in audio generation and up to 4K resolution.

***

### Quick facts

* **Modes:** Text → Video · Image → Video
* **Resolutions:** 1080p, 1440p, 2160p (4K)
* **Audio:** Built-in audio generation
* **Aspect ratios:** 16:9

***

### What it's great for

* Quick video generation with audio.
* High-resolution outputs up to 4K.
* Fast turnaround for professional content.
* Videos with synchronized sound.

***

### Parameters

| Control        | Type     | Default | Notes                         |
| -------------- | -------- | ------- | ----------------------------- |
| Prompt         | Text     | —       | Required                      |
| Aspect Ratio   | Dropdown | 16:9    | 16:9                          |
| Duration       | Dropdown | 6s      | 6s, 8s (1.33x), 10s (1.66x)   |
| Resolution     | Dropdown | 1080p   | 1080p, 1440p (2x), 2160p (4x) |
| FPS            | Dropdown | 25      | 25, 50                        |
| Generate Audio | Toggle   | On      | Built-in audio generation     |

***

### Modes

| Mode          | Estimated time | Required inputs | Typical use           |
| ------------- | -------------: | --------------- | --------------------- |
| Text → Video  |          \~60s | Prompt          | Fast video with audio |
| Image → Video |          \~60s | Image, Prompt   | Quick animation       |

***

### Prompt tips

* Model supports up to 4K resolution.
* Audio generation is automatic.
* Great balance of speed and quality.

***


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