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LTX Video 2 Fast Text to Video: AI Video Generator

LTX Video Fast is a speed-optimised mode of Lightricks’ video-generation engine, supporting text-to-video workflows. It allows you to input a descriptive prompt and get a short video clip with motion, camera movement, lighting, and stylised visuals. The underlying model (LTX-Video) is built for real-time or near-real-time generation of video clips.

Interactive model controls

LTX Video Fast is a speed-optimised mode of Lightricks’ video-generation engine, supporting text-to-video workflows. It allows you to input a descriptive prompt and get a short video clip with motion, camera movement, lighting, and stylised visuals. The underlying model (LTX-Video) is built for real-time or near-real-time generation of video clips.

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Overview

About this model

LTX Video Fast (ltx-2-fast-text-to-video) is a cutting-edge, speed-optimized solution for generating high-quality video clips from textual prompts. Built on Lightricks’ robust video-generation engine, this model leverages real-time or near-real-time processing to deliver visually stunning outputs with dynamic motion, camera movements, innovative lighting, and stylized visuals. Its efficiency and precision make it an ideal tool for creators, marketers, and developers looking to bring their narratives to life quickly and cost-effectively.

Designed with user flexibility in mind, LTX Video Fast supports custom settings such as video duration and optional audio generation. This empowers users to tailor their content to meet specific needs, whether it's for social media snippets, product demos, or immersive storytelling. The model's intelligent design ensures that every generated clip is not only aesthetically appealing but also optimized for various digital platforms.

1Creating engaging social media short videos
2Generating dynamic product demo clips for e-commerce
3Producing personalized video ads for targeted marketing campaigns
4Developing cinematic storytelling snippets for film and entertainment
5Designing instructional videos for online courses and tutorials
6Crafting unique visual content for digital art projects
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Pricing & Value

Cost analysis

muapiapp$0.46 per generation

Muapiapp offers competitive pricing and is 20-50% more affordable than leading competitors while delivering superior video generation quality.

Fal.ai$0.70 per generation

Fal.ai charges a higher rate, making muapiapp a more budget-friendly option for high-quality text-to-video generation.

Replicate$0.70 per generation

Replicate's pricing is nearly identical to Fal.ai, further emphasizing that muapiapp provides comparable or superior quality at a significantly lower cost.

** Competitor pricing is estimated based on similar model architectures and usage tiers.

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Technical Details

Configuration schema

Promptstring

Text prompt describing the video.

Default ValueA still image of an ancient stone arch in a misty forest. The arch glows, camera pushes through it, mist swirls, birds chirp and a soft magical chime in audio.
DurationEnum (8 options)

The duration of the generated video in seconds

Default Value6
Generate Audioboolean

Whether to generate audio.

Default Valuetrue
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Implementation Guide

Developer documentation

How to Use LTX Video Fast

  1. Prepare Your Prompt:

    • Write a detailed text prompt that describes the desired scene, action, and any specific visual elements. For example: 'A still image of an ancient stone arch in a misty forest. The arch glows, camera pushes through it, mist swirls, birds chirp and a soft magical chime in audio.'

  2. Select Video Duration:

    • Choose the duration for your video from the available options (6, 8, 10, 12, 14, 16, 18, 20 seconds). This allows you to define the clip length that best fits your project.

  3. Audio Option:

    • Decide whether to generate audio alongside the video by setting the generate_audio flag. Use true for including audio, and false if you prefer a silent clip.

  4. Submit Your Input:

    • Input your prompt, duration, and audio preference into the model's interface. Ensure that all required fields are filled correctly before submission.

  5. Review the Output:

    • Once generated, the output will be a short video clip accessible via a provided URL. Review the video to verify that it meets your expectations and adjust your inputs if needed for future generations.
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Common Questions

Frequently asked

What type of inputs are required for generating a video?

The model requires a detailed text prompt that describes the video scene. Additionally, you can specify the duration (from 6 to 20 seconds) and choose whether to include audio in the output.

How fast is the video generation process?

LTX Video Fast is optimized for real-time or near-real-time video generation, ensuring quick turnaround times for your text-to-video projects.

Can I customize the length of the video clip?

Yes, you can select from predefined durations such as 6, 8, 10, 12, 14, 16, 18, or 20 seconds to match the specific needs of your project.

Does the model support audio generation?

Yes, by setting the `generate_audio` option to true, the model will generate synchronized audio to complement the visual elements of the video.