Editor's Note: A thorough 25-minute deep dive into everything LTX 2.3 can do — from running on 12GB VRAM to audio generation and multilingual support.

LTX 2.3 Complete Guide

Introduction

LTX 2.3 is the latest version of the LTX audio-video generation model series. It inherits the core advantages of LTX-2: generating 1080P HD video with audio directly on consumer GPUs, with multilingual prompt support.

Key Improvements Over LTX-2

• Significantly improved prompt understanding
• Better audio quality and synchronization
• More stable video generation
• Enhanced motion consistency
• Wider GPU compatibility (12GB VRAM)

Core Features

Audio-Video Generation

• Native audio generation alongside video
• Multilingual prompt support
• Synchronized audio-visual output
• Multiple audio styles and tones

Video Quality

• Direct 1080P output on consumer GPUs
• Improved temporal consistency
• Better motion quality
• Enhanced detail preservation

Model Variants

• Dev model: Higher quality, more steps
• Distilled model: Faster generation, fewer steps
• Distilled 1.1: Latest stable version

Hardware Requirements

Prompt Writing Tips

• Be descriptive about motion and action
• Include audio descriptions for sound generation
• Specify camera movements
• Describe lighting and atmosphere
• Use multilingual prompts for best results

Generation Parameters

• Frames: 25, 49, or 97 (must be 8n+1)
• Resolution: Must be divisible by 32
• Steps (Distilled): 4-8 steps, CFG=1
• Steps (Dev): 20-50 steps, CFG=3-7

Additional Resources

• Download LTX Models
• Workflow Templates
• Setup Guide

Sources

• LTX-2.3 Official Repository