Welcome to my 💫🎦 Friendly LTX-2 T2V+I2V+Lipsync

✨ Less mess, more magic

UniVibe - Lipsync all-in one version with HQ TTS VibeVoice model is released.

New v1.2 with simplified model loading, with quality and perfomance improvements.

LTX-2 is a new video generation model with 19b parameters under the hood. This is the first DiT-based (Diffusion Transformer) foundation model that generates synchronized audio and video simultaneously in a single pass! It supports native 4K resolution at up to 50 FPS, providing cinematic-grade fidelity suitable for professional VFX and film production and it is capable of generating clips up to 10–20 seconds with consistent style and motion.

💻 System requirements:

• Minimum system requirements for 540p i2v and 720p t2v:

RTX 3000-s, 8GB+ VRAM, 45GB+ RAM, 8-core processor, SSD, latest ComfyUI

🚀 Low VRAM optional optimization:

• For systems with low VRAM use --reserve-vram ComfyUI parameter in run_nvidia_gpu.bat: --reserve-vram 4 (or other number in GB).

📌 Detailed tips and links to models in the workflow

✨ Workflow features:

• Extremely user-friendly interface

• Maximum performance and optimization from 8GB of VRAM: GGUF or 8-step distilled model with fp4 or fp8 text encoder + MultiGPU memory optimization

• All-in-one: i2v, t2v, and interpolation

• Convenient one-click mode switching

• Generation time setting in seconds

• Lora support (up to 3)

• Detailed tips and links to all necessary models

• Manual random seed for complete control over generations

🤗🙏🏼 Thanks to Lightricks Team

Original repo — GitHub