
Speed changes everything. LTX 2.3 by Lightricks is built for fast iteration — with native audio, vertical output, and open-source flexibility.
Capabilities
Up to 10 seconds of video, image reference, native audio — all from a single prompt

Key Features
Cinematic motion, native audio, efficient architecture, image-to-video
Cinematic Motion from Text
Describe complex scenes with camera movements, character actions, and environmental changes — LTX 2.3 translates natural language into fluid, cinematic video with accurate motion dynamics.

Native Audio in One Pass
LTX 2.3 generates synchronized audio alongside video — ambient sounds, effects, music, and dialogue. No separate audio model, no post-sync. One of the few open-weights video models with native audio.

Lightweight, Scalable Architecture
Built on an efficient transformer backbone, LTX 2.3 runs on consumer hardware and scales to enterprise workloads. Lower compute costs without sacrificing output quality.

Image-to-Video & Video Extension
Start from a reference image or extend an existing clip. LTX 2.3 maintains visual consistency across frames, preserving style, identity, and scene coherence throughout the generation.

Compare Models
| Criterion | LTX 2.3 | Kling 3.0 | Veo 3.1 | Runway Gen 4.5 |
|---|---|---|---|---|
| Developer | Lightricks | Kuaishou | Google DeepMind | Runway |
| Max Resolution | 720p | 4K | 4K | 1080p |
| Max Duration | 10 sec | 15 sec | 8 sec | 10 sec |
| Generation Speed | Very fast | Moderate | Slow | Moderate |
| Motion Realism | ||||
| Physics Accuracy | ||||
| Aesthetic Quality | ||||
| Cost | ||||
| Open Source | Yes | No | No | No |
| Best For | Ideation, volume, fast drafts | Product, character, realism | Cinematic, high-end | Marketing, brand, social |
LTX 2.3 prompt examples
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