cinemasetfree.comlightricks/ltx-2.3-pro
High-fidelity video generation with portrait support, audio-to-video, retake, and extend. Text, image, and audio-driven creation up to 4K at 50 FPS.
Capabilities
Cost
Community model (estimated from hardware time)
Input Parameters
| Name | Type | Description | Default | Constraints |
|---|---|---|---|---|
prompt * | string | Text prompt describing the video to generate | — | — |
aspect_ratio | string | Aspect ratio of the generated video | "16:9" | 16:9 9:16 |
audio | string (uri) | Input audio file for audio_to_video task | — | — |
camera_motion | string | Camera motion effect to apply to the generated video. Use 'none' for no camera motion. | "none" | none dolly_in dolly_out dolly_left dolly_right jib_up jib_down static focus_shift |
duration | integer | Duration of the video in seconds | 6 | 6 8 10 |
extend_mode | string | Where to extend the video. Used for extend task. | "end" | start end |
fps | integer | Frame rate in frames per second | 25 | 24 25 48 50 |
generate_audio | boolean | Generate audio for the video. Used for text_to_video and image_to_video tasks. | true | — |
image | string (uri) | First frame image for image-to-video generation | — | — |
last_frame_image | string (uri) | Last frame image for image-to-video generation. When provided, the video interpolates between the first frame and this last frame. | — | — |
resolution | string | Resolution quality of the generated video. Only 1080p is supported for audio_to_video, retake, and extend tasks. | "1080p" | 1080p 2k 4k |
retake_duration | number | Duration in seconds of the section to edit. Must be at least 2 seconds. Used for retake task. | 2 | min: 2 |
retake_mode | string | What to replace in the retake section. Used for retake task. | "replace_audio_and_video" | replace_audio replace_video replace_audio_and_video |
retake_start_time | number | Start time in seconds of the section to edit. Used for retake task. | 0 | min: 0 |
task | string | The generation task to perform | "text_to_video" | text_to_video image_to_video audio_to_video retake extend |
video | string (uri) | Input video for retake or extend tasks | — | — |
prompt required string Text prompt describing the video to generate
aspect_ratio string Aspect ratio of the generated video
"16:9" audio string Input audio file for audio_to_video task
camera_motion string Camera motion effect to apply to the generated video. Use 'none' for no camera motion.
"none" duration integer Duration of the video in seconds
6 extend_mode string Where to extend the video. Used for extend task.
"end" fps integer Frame rate in frames per second
25 generate_audio boolean Generate audio for the video. Used for text_to_video and image_to_video tasks.
true image string First frame image for image-to-video generation
last_frame_image string Last frame image for image-to-video generation. When provided, the video interpolates between the first frame and this last frame.
resolution string Resolution quality of the generated video. Only 1080p is supported for audio_to_video, retake, and extend tasks.
"1080p" retake_duration number Duration in seconds of the section to edit. Must be at least 2 seconds. Used for retake task.
2 min: 2 retake_mode string What to replace in the retake section. Used for retake task.
"replace_audio_and_video" retake_start_time number Start time in seconds of the section to edit. Used for retake task.
0 min: 0 task string The generation task to perform
"text_to_video" video string Input video for retake or extend tasks
2560a82a0a6f Updated: 6/26/2026 38.4K runs