4K Native
Sharpest Fine Detail
LTX-2.3 delivers incredible texture resolution and clarity. Every strand of hair, drop of water, and grain of sand is rendered with breathtaking precision in native 4K.
New Release
Unleash 4K Creativity with LTX-2.3
The Premier Open-Source Video AI Engine
Experience LTX-2.3 by Lightricks. Generate high-fidelity 4K videos with sharper fine details, native audio generation, and unmatched motion consistency. From text-to-video to image-to-video, LTX-2.3 empowers every creator.
What is LTX-2.3?
LTX-2.3 is the latest state-of-the-art video generation model from Lightricks, setting a new benchmark for open-source AI video. It represents a significant upgrade over previous versions, introducing native 4K resolution support, built-in high-quality audio generation, and a major leap in texture detail and motion realism.
Designed to be both powerful and accessible, LTX-2.3 excels at a wide range of creative tasks. Whether you're creating cinematic landscape shots, vibrant character animations, or engaging social media content in native portrait mode, LTX-2.3 provides the tools to bring your vision to life with professional-grade quality and 50 FPS smoothness.
Powerful LTX-2.3 Features
The next generation of AI video tools for professional creators
Native Audio
Clean, Built-in Sound
Unlike other models, LTX-2.3 generates synchronized, high-quality audio alongside the video, providing a complete and immersive cinematic experience without extra steps.
Superior Motion
Realistic World Dynamics
Experience stronger motion and tighter prompt adherence. LTX-2.3 understands world physics better than ever, ensuring smooth transitions and believable character movements.
Portrait Ready
Native 9:16 Support
Create stunning content for TikTok, Reels, and Shorts with ease. LTX-2.3 supports native portrait generation, ensuring your mobile-first videos look their absolute best.
How to Use LTX-2.3
Transform Your Ideas into 4K Reality
- 1
Describe Your Vision
Enter a detailed text prompt describing your scene, including lighting, camera movement, and mood. You can also upload a reference image to guide the generation using the powerful image-to-video engine.
- 2
Select Format & Settings
Choose your desired aspect ratio, including native 9:16 portrait for mobile content or 16:9 for cinema. Enable native audio generation to get a complete multimedia experience automatically.
- 3
Generate in 4K
Our high-performance servers process your request using LTX-2.3. Within seconds, you'll receive a professional 4K video clip at 50 FPS, ready to be downloaded and shared with the world.
LTX-2.3 Production Capabilities
Unlock professional-grade AI video workflows with advanced multimodal controls
Audio to Video
Generate video where voice, music, and sound effects define structure, pacing, and motion. Built for production-grade workflows that require precise, harmonious control over audio-led scenes.
20 sec Clip
Extend creative range with long-form generation. Produce up to 20 seconds of high-fidelity video with complete control and consistent style.
50 FPS Performance
Optimized for speed without sacrificing quality. Generate synchronized 4K video and audio in seconds with the fastest production-grade AI model available today.
Native 4K 50 FPS
Generate cinematic-grade video with synchronized audio at true 4K / 50 fps. Built for professional workflows, ready for studio, developer, or enterprise production.
LTX-2.3 Frequently Asked Questions
Everything you need to know about Lightricks' latest model
How does LTX-2.3 differ from the original LTX-2?
LTX-2.3 is a major upgrade that introduces sharper fine details, native 4K resolution at 50 FPS, and built-in native audio generation. It also features significantly stronger motion consistency and better adherence to complex prompts compared to its predecessor.
Is LTX-2.3 truly open-source?
Yes, LTX-2.3 is an open-source model released by Lightricks. This allows for community innovation, local hosting, and fine-tuning via LoRA, which we support on our platform to give you the most flexible creative experience.
Can I generate videos using my own images?
Absolutely. LTX-2.3 features one of the most advanced image-to-video engines currently available. Simply upload your image, provide an optional prompt for motion guidance, and watch as LTX-2.3 breathes life into your static visuals.
What is the maximum duration of a video clip?
LTX-2.3 supports generating high-quality clips up to 20 seconds long. These clips can be extended or stitched together on our platform to create longer, more complex narratives while maintaining visual consistency.
Does LTX-2.3 support audio generation?
Yes, one of the standout features of LTX-2.3 is its ability to generate high-fidelity, synchronized audio natively with the video. This means your videos will sound as good as they look from the moment they are created.
What are the recommended prompts for LTX-2.3?
LTX-2.3 responds best to descriptive, natural language prompts. Including details about lighting (e.g., 'golden hour'), camera movement (e.g., 'slow dolly zoom'), and specific textures will help the model produce the most accurate results.
Can I use LTX-2.3 for commercial purposes?
Yes, you can use LTX-2.3 for commercial projects. On our platform, generations made under our Pro, Max, or API plans include a full commercial license, allowing you to use your videos in advertising, film, and social media.
How many credits does it cost to generate an LTX-2.3 video?
Generating a 4K video with LTX-2.3 typically costs more than standard models due to the high computational power required. You can see the exact credit cost in the generator interface before you click generate.
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Ready to Experience LTX-2.3?
The next generation of AI video tools for professional creators
Start Creating in 4K