cinemasetfree.comlightricks/ltx-2.3-fast
Lightning-fast video generation with portrait support, camera controls, and synchronized audio. Up to 20 seconds at 1080p, 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 |
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. Durations longer than 10 seconds are only available with 1080p resolution at 24 or 25 FPS. | 6 | 6 8 10 12 14 16 18 20 |
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 |
prompt required string Text prompt describing the video to generate
aspect_ratio string Aspect ratio of the generated video
"16:9" 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. Durations longer than 10 seconds are only available with 1080p resolution at 24 or 25 FPS.
6 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" 6e44d7e6b51d Updated: 6/26/2026 24.8K runs