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.
| Metric | Value |
|---|---|
| Parameter Count | 22 billion |
| Mixture of Experts | No |
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.
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
}'Request parameters
Every field LTX-2.3 Pro accepts in the request body. See the API reference for response formats.
POST
https://hub.oxen.ai/api/ai/videos/generate| Field | Type | Required | Default | Description |
|---|---|---|---|---|
prompt | string | Yes | — | Text prompt describing the video to generate |
input_image | stringuri | No | — | First frame image for image-to-video generation |
last_frame_image | stringuri | No | — | Last frame image. When provided, the video interpolates between the first frame and this last frame. |
task | string | No | "image_to_video" | The generation task (fixed for this model)image_to_video |
generate_audio | boolean | No | true | Generate audio for the video |
aspect_ratio | string | No | "16:9" | 16:99:16 |
duration | integer | No | 6 | Range: 6 – 10 |
resolution | string | No | "1080p" | 720p1080p2k4k |
fps | integer | No | 25 | Frame rate in frames per second24254850 |