LTXV 13B

A groundbreaking 13B-parameter AI model by Lightricks, revolutionizing video creation with unprecedented speed and quality. 30x faster than comparable models, powered by advanced multiscale rendering technology.

LTXV Key Points

LTXV Model Overview

• check_circle 13 billion parameters for high-quality video generation
• check_circle Developed by Lightricks, released May 2025
• check_circle Significant upgrade from 2B parameter predecessor

LTXV Core Capabilities

• check_circle Text-to-video generation
• check_circle Image-to-video transformation
• check_circle Real-time performance on consumer hardware

LTXV Technical Features

• check_circle Multiscale rendering technology
• check_circle Enhanced prompt adherence
• check_circle Advanced motion quality control

LTXV Model Background

LTXV Development Context

LTXV-13B represents a significant evolution from its predecessor, the LTX Video model, with a notable increase in parameters from 2 billion to 13 billion. Released in early May 2025, this model was developed by Lightricks in response to advancements by competitors like OpenAI and Meta.

• Release Date: May 2025
• Model Size: 28.6 GB
• Storage: Git LFS
• License: LTXV Open Weights

LTXV Technical Evolution

The model builds upon the DiT-based architecture, introducing groundbreaking features like multiscale rendering and improved motion quality. This evolution enables real-time video generation at high resolutions while maintaining exceptional quality.

• Base Model: DiT-based
• Parameters: 13 Billion
• Resolution: 1216×704
• FPS: 30 (Real-time)

LTXV Detailed Features

LTXV Core Technologies

• auto_awesomeMultiscale Rendering Advanced technology that drafts videos in lower detail first to capture coarse motion, then refines details for enhanced speed and quality.

• speedKernel Optimization Enables 30x faster generation compared to comparable models, even on consumer GPUs.

• psychologyImproved Prompt Adherence Enhanced accuracy in following text prompts for more precise video generation.

LTXV Supported Features

• movieText-to-Video Transform text descriptions into high-quality videos with precise motion control.

• imageImage-to-Video Convert static images into dynamic videos with controlled motion and effects.

• animationKeyframe Animation Create smooth animations with precise control over motion and timing.

LTXV Performance & Hardware

LTXV Hardware Requirements

• memory NVIDIA 4090/5090 GPU
• storage 8GB+ VRAM (Full Version)
• speed Quantized Version Available
• computer Consumer Hardware Compatible

LTXV Performance Metrics

• speed 30x Faster Generation
• timer Real-time Processing
• high_quality Studio-level Quality
• low_latency Low Latency Output

LTXV Optimization Features

• auto_fix Multiscale Rendering
• tune Kernel Optimization
• memory_alt Quantized Versions
• efficiency Memory Efficiency

LTXV Frequently Asked Questions

What is LTXV-13B?

LTXV-13B is an advanced AI video generation model developed by Lightricks, featuring 13 billion parameters. It represents a significant upgrade from its predecessor, offering high-quality video generation with unprecedented speed and efficiency.

What are the key features of LTXV-13B?

Key features include multiscale rendering technology, improved prompt adherence, real-time generation at 1216×704 resolution (30 FPS), and support for various video generation modes including text-to-video and image-to-video transformations.

What hardware is required to run LTXV-13B?

The model runs efficiently on consumer hardware like NVIDIA 4090 or 5090 GPUs. The full version requires 8GB+ VRAM, while a quantized version (ltxv-13b-fp8) is available for systems with less VRAM.

How fast is LTXV-13B compared to other models?

LTXV-13B generates videos 30 times faster than comparable models, thanks to its multiscale rendering technology and kernel optimization. It achieves real-time performance while maintaining high quality.

What video generation modes are supported?

The model supports text-to-video, image-to-video, keyframe-based animation, video extension, and video-to-video transformations. It can also combine these modes for complex video generation tasks.

Is LTXV-13B open source?

Yes, LTXV-13B is available under the LTXV Open Weights License. The model and its tools are open source, allowing for community development and customization.

What development tools are available?

The ecosystem includes LTX-Video-Trainer for fine-tuning, ComfyUI integration with example workflows, and support for creating custom LoRAs. All tools are available on GitHub.

How does multiscale rendering work?

Multiscale rendering first drafts videos in lower detail to capture coarse motion, then refines the details. This approach enhances both speed and quality of the generated videos.

What improvements were made in version 0.9.7?

Version 0.9.7 includes improved prompt adherence, enhanced motion quality, better fine details, and support for stochastic inference in the distilled model.

Where can I download and learn more about LTXV-13B?

The model is available on Hugging Face and GitHub. Comprehensive documentation, example workflows, and community resources are available through these platforms.

Start Creating with LTXV

Join the future of video generation with LTXV 13B. Available on Hugging Face and GitHub.