About LTX 2.3 Reframe
LTX 2.3 Reframe converts an existing clip to a different aspect ratio — landscape to portrait, square, 4:5 and more — generating new content to fill the revealed areas so the result matches the original.
The input video can be up to 60 seconds; output is 720p or 1080p at the chosen ratio.
Ready to build with LTX 2.3 Reframe?
Try LTX 2.3 Reframe 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-reframe",
"input_video": "https://hub.oxen.ai/api/repos/ox/Oxen-AI-Assets/file/main/videos/waterfall.mp4",
"aspect_ratio": "9:16",
"resolution": "1080p"
}'Request parameters
Every field LTX 2.3 Reframe 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 |
|---|---|---|---|---|
input_video | stringuri | Yes | — | The clip to reframe. Up to 60 seconds. |
aspect_ratio | string | No | "9:16" | 9:1616:91:14:55:4 |
resolution | string | No | "1080p" | 720p1080p |