LTX-2 is an advanced AI video and audio generation foundation model developed by Lightricks. It’s designed to generate high-fidelity videos with synchronized audio — meaning visuals and sound are created together in a single model rather than stitched after the fact. (LTX)
🎯 Core Capabilities
LTX-2 supports:
- Text-to-video generation
- Image-to-video generation
- Synchronized audio generation (dialogue, ambient sound, music)
- High-resolution output up to native 4K
- High frame rates (up to 50 fps) (LTX)
In other words, it can turn a detailed prompt or image into a short cinematic-quality video clip with audio built in. (LTX)
⚙️ Technical Details
- Architecture: Based on a diffusion-based audio-video foundation model architecture combining video and audio streams. (arXiv)
- Variants: Models like LTX-2-fast and LTX-2-pro let developers choose between speed and quality. (LTX)
- Duration & Formats: Typically generates up to ~20 s clips at 1080p–4K with configurable frame rates (25 or 50 fps). (LTX)
🛠️ Production-Ready and Open Source
Unlike many AI video models that are cloud-only or proprietary, LTX-2 is fully open source — the model weights, codebase, and tools are publicly available for developers and researchers to use, customize, or run locally. (LTX)
You can:
- Run the model locally on capable hardware
- Integrate it into your own production workflows
- Explore and fine-tune its internals
- Build creative tools or products on top of it (Hugging Face)
🧠 Why It Matters
- Synchronized audio-video: Creating visuals and audio in a unified model is a major step forward compared to earlier models that generated video alone. (Hugging Face)
- Production quality: Native 4K and stable frame rates make it suitable for professional content creation, not just prototypes or short GIF-like clips. (LTX)
- Open-source ecosystem: Full access makes it attractive for researchers, developers, and studios that value transparency and customization. (LTX)
🚀 How You Use It
There are a few ways to work with LTX-2:
- API: Use the hosted LTX-2 API for integration into apps or workflows. (LTX)
- Local Deployment: Download the open weights and run the model locally. (LTX)
- Studio Tools: Access it through LTX Studio (a broader creative video platform). (LTX Studio)