---
title: LTX 2.3 Pro Image To Video — Cinematic Motion | ModelsLab
description: Transform static images into high-fidelity videos with synchronized audio using LTX 2.3 Pro Image To Video. Generate via API, try now.
url: https://modelslab.com/ltx-23-pro-image-to-video
canonical: https://modelslab.com/ltx-23-pro-image-to-video
type: website
component: Seo/ModelPage
generated_at: 2026-04-19T14:08:19.137604Z
---

Available now on ModelsLab · Video Generation

LTX 2.3 Pro Image To Video
Images Into Cinematic Videos
---

[Try LTX 2.3 Pro Image To Video](/models/ltx/ltx-2-3-pro-i2v) [API Documentation](https://docs.modelslab.com)

Unlock Pro Video Generation
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High Fidelity

### Pro Quality Output

LTX 2.3 Pro Image To Video delivers sharper details and better prompt adherence than Fast variant.

Synchronized Audio

### Native Audio Generation

Generates motion and audio in one pass using improved HiFi-GAN vocoder for clean sound.

Flexible Controls

### Portrait and Motion

Supports 9:16 portrait, camera motions, end frame interpolation, up to 4K and 20s duration.

Examples

See what LTX 2.3 Pro Image To Video can create
---

Copy any prompt below and try it yourself in the [playground](/models/ltx/ltx-2-3-pro-i2v).

Urban Timelapse

“Start with a bustling city skyline at dusk, camera slowly dollies in as lights flicker on, smooth 24fps motion, cinematic lighting, high detail architecture.”

Ocean Waves

“Serene beach scene with turquoise waves crashing on sand, gentle camera pan right, realistic water physics, 25fps, golden hour sunlight.”

Mountain Aerial

“Snow-capped peaks under clear sky, jib up from valley floor revealing panorama, crisp details on rocks and trees, 4K resolution.”

Abstract Lights

“Neon light trails in dark void, focus shift from blur to sharp patterns, fluid motion at 50fps, vibrant colors, futuristic style.”

For Developers

A few lines of code.
Video from image. Few lines.
---

ModelsLab handles the infrastructure: fast inference, auto-scaling, and a developer-friendly API. No GPU management needed.

- **Serverless:** scales to zero, scales to millions
- **Pay per second,** no minimums
- **Python and JavaScript SDKs,** plus REST API

[API Documentation ](https://docs.modelslab.com)

PythonJavaScriptcURL

Copy

```
<code>import requests

response = requests.post(
    "https://modelslab.com/api/v7/video-fusion/image-to-video",
    json={
  "key": "YOUR_API_KEY",
  "prompt": "In the image girl singing a melody song waving her wooden blow her hair lighting waving",
  "duration": "6",
  "init_image": "https://assets.modelslab.ai/generations/79dae226-a403-47ae-af9e-f46b09846435.webp"
}
)
print(response.json())</code>
```

FAQ

Common questions about LTX 2.3 Pro Image To Video
---

[Read the docs ](https://docs.modelslab.com)

### What is LTX 2.3 Pro Image To Video?

LTX 2.3 Pro Image To Video is the high-fidelity model from Lightricks for generating videos from images. It includes audio-to-video, retake, and extend features. Supports up to 4K and 20 seconds.

### How does LTX 2.3 Pro Image To Video API work?

Send image and prompt to LTX 2.3 Pro Image To Video API endpoint. Optional end frame for interpolation. Returns MP4 with synchronized audio.

### What resolutions does LTX 2.3 Pro Image To Video model support?

Supports 1080p, 1440p, 4K at 16:9 or 9:16 aspect ratios. Frame rates: 24, 25, 48, 50 FPS.

### Is LTX 2.3 Pro Image To Video alternative to other models?

LTX 2.3 Pro Image To Video excels in fidelity and audio sync over prior versions. Use for pro workflows needing consistent motion and sound.

### Can LTX 2.3 Pro Image To Video generate portrait videos?

Yes, native 9:16 portrait support up to 1080x1920. Ideal for mobile and vertical content.

### What inputs for ltx 2.3 pro image to video?

Required: start image. Optional: end frame image, prompt for motion. Supports PNG, JPEG, WebP formats.

Ready to create?
---

Start generating with LTX 2.3 Pro Image To Video on ModelsLab.

[Try LTX 2.3 Pro Image To Video](/models/ltx/ltx-2-3-pro-i2v) [API Documentation](https://docs.modelslab.com)

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*This markdown version is optimized for AI agents and LLMs.*

**Links:**
- [Website](https://modelslab.com)
- [API Documentation](https://docs.modelslab.com)
- [Blog](https://modelslab.com/blog)

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*Generated by ModelsLab - 2026-04-19*