LTX Video 2.3 Pro

ltx-2.3-extend-video

Video generationby Lightricks

LTX-2.3 is a high-quality, fast AI video model available in Pro and Fast variants for text-to-video, image-to-video, and audio-to-video.

Example

Prices in credits (1 credit = $0.01).

Field	Type	Description
mode	stringenum: start, end	Where to extend the video: 'end' extends at the end, 'start' extends at the beginning.
prompt	—	Description of what should happen in the extended portion of the video.
context	—	Number of seconds from the input video to use as context for the extension (minimum 1 second, maximum 20 seconds). If not provided, defaults to maximize available context within the 505 frame limit.
duration	number	Duration in seconds to extend the video. Minimum 2 seconds, maximum 20 seconds.
video_urlrequired	string	The URL of the video to extend

Field	Type	Description
video	—	The extended video file