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LTX Video 2 API

LTX Video 2 - the open-source model pushing 4K AI video with synchronized audio generation.

Best for 4K content, broadcast-quality output, and open-source 4K video pipelines.

Provider
Lightricks
Max resolution
4K
Avg. generation
~30s
Price / video
Plan included
  • No credit card
  • No Lightricks account needed
  • One key for 17 models

Official LTX Video 2 API access on VideoGenAPI, with REST endpoints, webhooks, a live playground and developer docs.

Interactive demo

Try LTX Video 2 right now

Explore the interface and see how easy it is to generate videos with LTX Video 2. Sign up for free to start creating!

Playground Demo - LTX Video 2
Demo Mode
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Create a free account to access the full playground and generate unlimited videos with LTX Video 2.
timer ~30s generation
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Demo Preview

Demo Mode
LTX Video 2
LTX Video 2
by Lightricks
Create high-fidelity video and audio from text with LTXV 2 the new open source video model.
4K • 6-10s • ~30s processing
Gallery

LTX Video 2 examples

Discover what's possible with LTX Video 2 AI video generation

Macro shot of a butterfly landing on a flower, wings fluttering, garden bokeh, 4K detail on wing patterns

Generated with the LTX Video 2 API at up to 4K. Results vary with prompt detail and requested duration.

What is the LTX Video 2 API?

The LTX Video 2 API is a REST interface that lets developers generate AI videos programmatically using Lightricks's LTX Video 2 model. It supports text-to-video, image-to-video through a single POST endpoint. VideoGenAPI handles authentication, billing, and provider infrastructure - you only need one API key to start building with the LTX Video 2 API.

Lightricks
Provider
REST
API protocol
~30s
Avg. generation

How to use the LTX Video 2 API

Integrate the LTX Video 2 API in your app in under 5 minutes with these four steps.

  1. 1

    Create your VideoGenAPI account

    Sign up free at VideoGenAPI.com and generate your API key from the dashboard. No Lightricks account needed.

  2. 2

    Send a request to the LTX Video 2 API

    POST to https://videogenapi.com/api/v1/generate with your API key, model "ltxv-2", and a text prompt describing your video.

  3. 3

    Poll for completion

    Use the returned generation_id to check status via GET /api/v1/status/{id} or configure webhooks for automatic notifications.

  4. 4

    Download your video

    Once status is "completed", retrieve the video URL from the response and embed it in your app, website, or workflow.

Documentation

About LTX Video 2

info Overview

LTX Video 2 (LTXV 2) is a cutting-edge open-source model delivering high-fidelity video and audio from text prompts. It's one of the few models offering 4K output, making it ideal for large-screen and broadcast-quality content. Access LTXV 2 through VideoGenAPI with ~30 second processing - exceptional value for 4K output.

stars Key Strengths

  • check_circle 4K resolution output - rare among AI video models
  • check_circle Open-source LTX architecture
  • check_circle Synchronized audio generation
  • check_circle Fast ~30s processing despite 4K quality
  • check_circle Text and image input modes

check_circle Supported Features

  • Text to Video
  • Image to Video

settings Specifications

  • Max Resolution: 4K
  • Duration Range: 6-10s
  • Avg. Processing: ~30s

workspace_premium Why LTX Video 2 via VideoGenAPI?

  • check_circle
    Unified API: Access LTX Video 2 alongside 16 other models with one API key - no separate Lightricks setup.
  • check_circle
    Pay-per-use: Included in your balance with transparent per-generation billing.
  • check_circle
    Production-ready: REST endpoints, status polling, webhooks, and comprehensive docs for fast integration.
Use cases

What you can build with LTX Video 2

1

4K marketing assets

Create large-format hero videos for displays and presentations.

2

Nature & macro content

Leverage 4K detail for close-up and wildlife visuals.

3

Open-source products

Build on LTX without managing 4K GPU clusters.

API reference

LTX Video 2 API documentation

Quick start guide to integrate LTX Video 2 in your application

code Endpoint

POST https://videogenapi.com/api/v1/generate

send Request Example

{
  "model": "ltxv-2",
  "prompt": "Macro shot of a butterfly landing on a flower, wings fluttering, garden bokeh, 4K detail on wing patterns",
  "duration": 10,
  "resolution": "1080p"
}

download Response Example

{
  "success": true,
  "generation_id": "gen_abc123xyz",
  "status": "in_progress",
  "estimated_time": 30}

integration_instructions Code Examples

const response = await fetch('https://videogenapi.com/api/v1/generate', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Authorization': 'Bearer YOUR_API_KEY'
  },
  body: JSON.stringify({
    model: 'ltxv-2',
    prompt: 'Macro shot of a butterfly landing on a flower, wings fluttering, garden bokeh, 4K detail on wing patterns',
    duration: 10  })
});

const data = await response.json();
console.log(data.generation_id);
Pricing

LTX Video 2 API pricing

Transparent pay-per-use pricing for the LTX Video 2 API - no monthly minimums, no hidden fees.

Included

Available on your VideoGenAPI balance with pay-as-you-go billing

  • check_circle One API key for LTX Video 2 and 16 other models
  • check_circle No Lightricks account required
  • check_circle Free signup with starter credits
Start with the LTX Video 2 API
Comparison

LTX Video 2 API vs alternatives

How the LTX Video 2 API compares on resolution, clip length, generation speed and price. All models below share one API key.

Comparison of the LTX Video 2 API against alternative AI video generation models on VideoGenAPI
Model Provider Max resolution Clip length Avg. speed Price / video
LTX Video 2 API This page Lightricks 4K 6-10s ~30s Pay-as-you-go
LTX-Video 13B API Lightricks 480p 1-60s ~70s Pay-as-you-go
Wan 2.5 API Alibaba 1080p 5-10s ~50s Pay-as-you-go
Higgsfield API Higgsfield AI 1080p 5-15s ~45s Pay-as-you-go

Switching between these models means changing the ltxv-2 value in your request body. The endpoint, authentication and webhook behaviour stay the same, so you can route work to LTX Video 2 or any alternative without changing your integration.

FAQ

LTX Video 2 API questions

Does LTX Video 2 really output 4K? expand_more
Yes. LTX Video 2 supports up to 4K (2160p) resolution - one of the few AI video models offering broadcast-quality output via API.
Is LTX Video 2 open source? expand_more
LTX Video 2 is based on the open-source LTX architecture. VideoGenAPI hosts it so you can use it via REST without running your own GPU infrastructure.
Does LTX Video 2 generate audio? expand_more
Yes. LTXV 2 includes synchronized audio generation alongside high-fidelity video output.
How fast is LTX Video 2 compared to Sora or Veo? expand_more
LTX Video 2 averages ~30 seconds processing - significantly faster than Sora 2 (~110s) or Kling 3 (~250s), while still delivering up to 4K quality.

Ready to ship with LTX Video 2?

Create a key and call the LTX Video 2 API in minutes, plus 16 other models on the same endpoint.

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