LTX-2 Fast
LTX-2 Fast is the high speed tier of the LTX-2 video foundation model. It targets rapid cinematic iteration with strong motion quality and visual consistency. Generate short synced audio video clips from text or image prompts with low latency and efficient GPU use.
Submerged Grand Library Atrium
{
"taskType": "videoInference",
"taskUUID": "ca62dd1b-162d-426b-90b1-5cbd95943088",
"model": "lightricks:2@1",
"positivePrompt": "Animate this reference image as a majestic underwater cinematic sequence. A vast flooded library atrium with towering shelves and ornate balconies rests beneath clear water. Shafts of turquoise daylight ripple down through a fractured glass ceiling. Loose pages drift slowly past the camera, tiny bubbles rise in layered depth, and several schools of silver fish arc gracefully between columns and across the grand staircase. Hanging banners sway with gentle currents, reflections shimmer over wood, stone, and brass details, and sediment motes sparkle in the water. The camera performs a slow forward glide with subtle parallax, preserving the architecture and composition of the first frame while adding natural fluid motion, rich texture, realistic caustics, and immersive synchronized underwater ambience with distant creaks, muffled currents, soft bubble trails, and faint resonant echoes.",
"width": 1920,
"height": 1080,
"duration": 8,
"fps": 25,
"providerSettings": {
"lightricks": {
"generateAudio": true
}
},
"inputs": {
"frameImages": [
{
"image": "https://assets.runware.ai/assets/inputs/0d50c58a-9502-4874-a3d0-55dd96f89565.jpg",
"frame": "first"
}
]
}
}{
"taskType": "videoInference",
"taskUUID": "ca62dd1b-162d-426b-90b1-5cbd95943088",
"videoUUID": "33d872eb-a240-4310-bd1a-5bd66bcb2dbc",
"videoURL": "https://vm.runware.ai/video/os/a17d13/ws/5/vi/33d872eb-a240-4310-bd1a-5bd66bcb2dbc.mp4",
"cost": 0.32
}Windblown Tundra Caravan Crossing
{
"taskType": "videoInference",
"taskUUID": "0f487490-2178-4360-87b3-16d69a805729",
"model": "lightricks:2@1",
"positivePrompt": "A cinematic wide shot of a nomadic caravan crossing a vast frozen tundra at blue-hour twilight, shaggy pack animals pulling wooden sleds draped with patterned blankets, travelers in layered wool and fur, gusts of snow skimming across the ground, long grass and prayer ribbons whipping in the wind, distant ice ridges and low clouds on the horizon. The camera begins low near frost-covered stones and slowly tracks alongside the caravan, then gently rises to reveal the full line of travelers stretching across the landscape. Rich atmospheric depth, crisp cold air, visible breath, realistic footfalls and sled tracks, natural cloth motion, subtle lens haze, immersive scale, grounded cinematic realism. Synchronized audio of wind gusts, creaking sled runners, muffled bells, animal snorts, boots crunching through crusted snow, and quiet human chatter carried by the wind.",
"width": 1920,
"height": 1080,
"duration": 8,
"fps": 25,
"providerSettings": {
"lightricks": {
"generateAudio": true
}
}
}{
"taskType": "videoInference",
"taskUUID": "0f487490-2178-4360-87b3-16d69a805729",
"videoUUID": "2fa269a3-1519-4415-9e14-6d0504888aa8",
"videoURL": "https://vm.runware.ai/video/os/a17d13/ws/5/vi/2fa269a3-1519-4415-9e14-6d0504888aa8.mp4",
"cost": 0.32
}Flooded Grand Piano Atrium
{
"taskType": "videoInference",
"taskUUID": "2c98a2fb-7c10-48d3-a9f3-25382dc857c1",
"model": "lightricks:2@1",
"positivePrompt": "Using the reference image as the first frame, create a cinematic sequence in a vast flooded atrium centered on a lone grand piano. The camera glides slowly forward at water level, with gentle parallax across columns and vines. Ripples spread through the shallow water, floating sheet music drifts and turns, dust motes shimmer in angled morning light, a few droplets fall from the glass roof, and faint breeze stirs leaves and loose pages. Preserve the architectural layout and realistic materials from the reference image, emphasizing elegant motion, reflective surfaces, atmospheric depth, and natural synchronized ambience of water laps, soft creaks, distant birds, and airy room tone.",
"width": 1920,
"height": 1080,
"duration": 8,
"fps": 25,
"providerSettings": {
"lightricks": {
"generateAudio": true
}
},
"inputs": {
"frameImages": [
{
"image": "https://assets.runware.ai/assets/inputs/6d14984d-9545-4766-8d70-68ec871e016a.jpg",
"frame": "first"
}
]
}
}{
"taskType": "videoInference",
"taskUUID": "2c98a2fb-7c10-48d3-a9f3-25382dc857c1",
"videoUUID": "94a5f157-c29d-4041-8e42-a6c624dd5923",
"videoURL": "https://vm.runware.ai/video/os/a07d11/ws/5/vi/94a5f157-c29d-4041-8e42-a6c624dd5923.mp4",
"cost": 0.32
}Stormglass Lighthouse Approach
{
"taskType": "videoInference",
"taskUUID": "2c3254e1-4830-4554-b8a1-94fdd68cc8a7",
"model": "lightricks:2@1",
"positivePrompt": "Using the reference image as the opening frame, create a cinematic coastal sequence: the camera glides slowly forward along the slick path toward the glass-topped lighthouse as wind drives spray across the lens plane, waves slam against black rocks, gulls wheel overhead, the beacon begins a slow rotating sweep through mist, distant lightning flickers inside towering storm clouds, puddles ripple under gusts, fine environmental motion throughout, realistic textures, strong depth, dramatic atmosphere, natural color grading, consistent structure and composition, immersive synced ocean-and-storm audio",
"width": 1920,
"height": 1080,
"duration": 8,
"fps": 25,
"providerSettings": {
"lightricks": {
"generateAudio": true
}
},
"inputs": {
"frameImages": [
{
"image": "https://assets.runware.ai/assets/inputs/458f3b8d-6911-4f15-b938-c2b2b6797b4a.jpg",
"frame": "first"
}
]
}
}{
"taskType": "videoInference",
"taskUUID": "2c3254e1-4830-4554-b8a1-94fdd68cc8a7",
"videoUUID": "1b852344-1a9c-4cd4-8ecf-49d4489e5d68",
"videoURL": "https://vm.runware.ai/video/os/a10d08/ws/5/vi/1b852344-1a9c-4cd4-8ecf-49d4489e5d68.mp4",
"cost": 0.32
}