In simple English
This tool generates synchronized video and audio clips from text prompts or existing images. You run it on your own powerful server with a dedicated graphics card. It handles text-to-video, audio-to-video, video dubbing, and training custom model add-ons. It takes a long time to set up and requires downloading tens of gigabytes of model weights. There is no cost for the software, but you need expensive hardware to run it.
What it is
LTX-2 is a Python package containing inference pipelines, model definitions, and training scripts for Lightricks' open-access audio-video generative models. It includes scripts for fast distilled generation, production-quality rendering, and LoRA training.
What it is good for
Solo builders who want to generate custom videos with matching sound effects or speech on their own hardware without paying per-minute cloud rendering fees.
- Generates both audio and video in one unified model.
- Includes multiple pipelines for speed or production quality.
- Supports training custom LoRA weights and IC-LoRA add-ons.
- Requires an expensive graphics card with massive VRAM.
- Downloads require roughly 66 gigabytes of storage space.
- Custom licence terms restrict certain commercial uses.
Paid cloud video generation services and proprietary media APIs
Hugging Face CLI for downloading model weights and ComfyUI for node-based workflows
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git clone https://github.com/Lightricks/LTX-2.5.git cd LTX-2 uv sync --extra natten