Lightricks/ltx-2-3-pro/Released Mar 2026

LTX-2.3 Pro

Image-to-video with native audio

Fine-tunable
Video

About LTX-2.3 Pro

LTX-2.3 22B - Image to Video is a diffusion transformer that excels in generating high-resolution video clips from an input image and text prompt, producing up to 4K resolution at 25 FPS with options for synchronized audio.

Some other noteworthy features of LTX-2.3 22B - Image to Video include multi-keyframe conditioning for scene control, 3D camera logic for realistic movements, and LoRA fine-tuning support.

MetricValue
Parameter Count22 billion
Mixture of ExpertsNo

Ready to build with LTX-2.3 Pro?

Try LTX-2.3 Pro in the Workbench to prompt it, compare outputs, and iterate on prompts without writing any code. When you're ready to ship, call the same model from our API and build your own apps on top of it.

Sign in to grab your API key and start making requests.
bash
curl -sSf -X POST https://hub.oxen.ai/api/ai/videos/generate \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer $OXEN_API_KEY" \
    -d '{
  "model": "ltx-2-3-pro",
  "prompt": "A cat sitting on a chair",
  "task": "image_to_video",
  "generate_audio": true,
  "aspect_ratio": "16:9",
  "duration": 6,
  "resolution": "1080p",
  "fps": 25
}'