LTX-2 - First Open-Source 4K AI Video Generation Model
Experience revolutionary AI video generation - 4K resolution, 50 FPS, synchronized audio generation, fully open-source and free
Powerful Core Features
LTX-2 combines cutting-edge AI technology with practical production capabilities, delivering professional-grade results for creators and developers
4K Resolution at 50 FPS
Generate native 4K (2160p) video at up to 50 frames per second. The first open model to achieve true ultra-high-definition quality with smooth, cinematic motion.
Synchronized Audio Generation
First open-weights model for joint audiovisual generation. Create perfectly synchronized audio including dialogue, ambient sounds, and music in a single pass.
Text & Image to Video
Transform text prompts or static images into dynamic video content. Support for multi-keyframe conditioning and advanced control techniques.
Up to 20 Second Clips
Generate extended video clips up to 20 seconds in length with temporal coherence and consistent quality throughout the entire sequence.
NVIDIA Optimized
3x faster performance with NVFP4 format on RTX 50 Series. 40% VRAM reduction with optimized weights. ComfyUI integration with 40% performance boost.
Fully Open-Source
Complete access to model weights, training code, and inference pipeline under Apache 2.0 license. Fine-tune with LoRA, customize, and deploy anywhere.
Experience LTX-2 Online
Enter a prompt or upload an image to generate 4K AI videos instantly
Try more Top Video Models on CanvasLoading LTX-2 Demo...
Usage Tips
- •More detailed prompts lead to better results. Describe scene, action, lighting, style, etc.
- •Chinese prompts are supported, but English may work better
- •Generating 4K videos takes time, please be patient
- •Upload a reference image for more accurate results
Exceptional Performance Metrics
Powered by a 19B parameter DiT architecture with industry-leading speed and quality optimizations
RTX 5090 generates 10-second 4K video
DiT (Diffusion Transformer) Architecture
NVFP4 on RTX 50 Series
How LTX-2 Stacks Up
See how LTX-2 compares to other leading AI video generation models
| Feature | LTX-2 | Sora | Runway | Pika |
|---|---|---|---|---|
| Open Source | ✓ ✓ Fully Open | ✗ | ✗ | ✗ |
| Max Resolution | ✓ 4K | 1080p | 4K | 720p |
| Audio Generation | ✓ ✓ Synchronized | ✗ | Limited | ✗ |
| Max Duration | ✓ 20s | 60s | 10s | 5s |
| Local Execution | ✓ ✓ Supported | ✗ | ✗ | ✗ |
| Cost | ✓ Free | TBD | High | Medium |
| Custom Training | ✓ ✓ LoRA | ✗ | ✗ | ✗ |
Use Cases
From content creation to research and development, LTX-2 empowers creators and developers across industries
Content Creation
- →Stock footage generation
- →Social media content
- →Marketing videos
- →Product demonstrations
- →Video templates
Film & Animation
- →Pre-visualization
- →VFX reference footage
- →Concept development
- →Storyboard animation
- →Background generation
Education & Training
- →Instructional videos
- →Simulation content
- →Educational materials
- →Training scenarios
- →E-learning resources
Research & Development
- →AI research experiments
- →Computer vision training data
- →Model development
- →Synthetic data generation
- →Academic projects