LTX-2 Fast is a speed-optimized mode of the LTX-2 engine by Lightricks, focused on generating short video clips from a still image + prompt (I2V) with good fidelity and rapid turnaround. It supports audio/video together, multiple aspect ratios, and is ideal when you need quick output for iteration or storyboarding.
About this model
LTX-2 Fast is an advanced, speed-optimized version of the renowned LTX-2 engine by Lightricks, designed specifically for rapid image-to-video conversions. This innovative model takes a still image and a text prompt to generate short video clips that combine both audio and video elements. Its underlying technology leverages sophisticated AI algorithms to ensure high-fidelity results in a remarkably short turnaround time, making it ideal for rapid iteration and storyboarding.
Engineered for versatility, LTX-2 Fast supports multiple aspect ratios and customizable durations, allowing users to fine-tune their creative projects with ease. Whether you're a digital marketing professional, storyboard artist, or simply exploring creative possibilities, this model offers a robust solution with quick output and impeccable quality. Its efficient performance and cost-effective pricing at $0.46 per generation make it a compelling alternative to other tools in the competitive image-to-video space.
Cost analysis
| Provider | Cost | Notes |
|---|---|---|
| muapiapp | $0.46 per generation | muapiapp offers this service at a significantly lower price, being 20-50% more affordable than its competitors, while delivering comparable or superior quality. |
| Fal.ai | $0.60 per generation | Fal.ai charges approximately $0.60 per generation. muapiapp is 20-50% cheaper, offering excellent quality at a more budget-friendly rate. |
| Replicate | $0.62 per generation | Replicate’s pricing at $0.62 per generation makes muapiapp 20-50% more cost-effective, providing users with high-quality output at a lower expense. |
muapiapp offers this service at a significantly lower price, being 20-50% more affordable than its competitors, while delivering comparable or superior quality.
Fal.ai charges approximately $0.60 per generation. muapiapp is 20-50% cheaper, offering excellent quality at a more budget-friendly rate.
Replicate’s pricing at $0.62 per generation makes muapiapp 20-50% more cost-effective, providing users with high-quality output at a lower expense.
* Competitor pricing is estimated based on similar model architectures and usage tiers.
Configuration schema
| Parameter | Type | Description | Default |
|---|---|---|---|
| Prompt | string | Text prompt describing the video. | Image of two explorers standing atop a dune. Now the viewpoint shifts: camera slowly dollies backward while sun rises behind them, sand drifts around feet, warm golden light, soft wind in audio. |
| Image URL | string | URL of the input image used to generate video. | https://d3adwkbyhxyrtq.cloudfront.net/webassets/videomodels/ltx-2-fast-i2v.jpg |
| Duration | Enum (8 options) | The duration of the generated video in seconds | 6 |
| Generate Audio | boolean | Whether to generate audio. | true |
Text prompt describing the video.
Image of two explorers standing atop a dune. Now the viewpoint shifts: camera slowly dollies backward while sun rises behind them, sand drifts around feet, warm golden light, soft wind in audio.URL of the input image used to generate video.
https://d3adwkbyhxyrtq.cloudfront.net/webassets/videomodels/ltx-2-fast-i2v.jpgThe duration of the generated video in seconds
6Whether to generate audio.
trueDeveloper documentation
Prepare Your Inputs:
Set Your Parameters:
generate_audio parameter to true or false.Submit Your Request:
ltx-2-fast-image-to-video endpoint.Review and Download:
video field.Frequently asked
LTX-2 Fast is ideal for projects requiring quick iterations such as storyboarding, digital marketing campaigns, social media content creation, and other creative endeavors where speed and quality are essential.
Yes, the model allows you to select from predefined durations (6, 8, 10, 12, 14, 16, 18, or 20 seconds) to best suit your project's needs.
Absolutely! LTX-2 Fast can generate both audio and video. You can toggle audio generation by setting the `generate_audio` parameter as needed.
LTX-2 Fast is engineered for rapid output without compromising on fidelity. It is optimized for speed, making it a top choice when quick turnaround is a priority.