LTX-2
LTX-2 is an open-source multimodal video foundation model that generates synchronized video and audio from text or image prompts. It produces high-quality motion sequences with native 4K resolution and smooth temporal coherence, making it suitable for creative video generation, production workflows, and audiovisual storytelling.
API Reference
INTEGRATE
Complete technical specification for integration
Request Response
Examples 3
CODE
Ready-to-use code snippets for common workflows
Bioluminescent Tidepool Observatory
{
"taskType": "videoInference",
"taskUUID": "4d89f0f5-1277-48ee-875d-58e07a4b09d3",
"model": "lightricks:ltx@2",
"positivePrompt": "A cinematic night scene on a remote volcanic shoreline transformed into a futuristic tidepool observatory. The camera begins low over black wet rocks as luminous turquoise tide pools pulse like living constellations. Transparent instruments, brass and glass research lanterns, and delicate weather vanes catch the moonlight. In the middle distance, a lone researcher in a weatherproof ivory coat kneels beside a glowing pool while tiny crab-like survey robots leave elegant trails in the sand. A slow forward dolly reveals bioluminescent foam rolling in with each wave, reflections shimmering across polished stone. Overhead, a vast indigo sky with dense stars and a faint green aurora. The surf produces rhythmic motion, soft mist drifts through the frame, and the observatory lights respond subtly to the changing tide. Rich ambient audio: layered ocean waves, crystalline water drips, distant wind through metal chimes, gentle electronic monitoring tones, and a low atmospheric hum. Ultra-detailed, photoreal cinematic lighting, smooth temporal coherence, moody high-end science fantasy production design.",
"negativePrompt": "blurry, low detail, jittery motion, flicker, duplicate subjects, distorted anatomy, cartoon, text, watermark, logo, harsh overexposure, noisy audio, broken objects, chaotic camera shake",
"width": 1280,
"height": 704,
"duration": 8,
"fps": 24,
"steps": 40,
"CFGScale": 4,
"settings": {
"enhancePrompt": true
}
}{
"taskType": "videoInference",
"taskUUID": "4d89f0f5-1277-48ee-875d-58e07a4b09d3",
"videoUUID": "33c3f183-8546-4c85-8a15-1faab1c8422e",
"videoURL": "https://vm.runware.ai/video/os/a23d05/ws/5/vi/33c3f183-8546-4c85-8a15-1faab1c8422e.mp4",
"seed": 1461610484,
"cost": 0.24
}Bioluminescent Mangrove Night Voyage
{
"taskType": "videoInference",
"taskUUID": "5282121f-0c07-45f9-8aa4-0563195f89df",
"model": "lightricks:ltx@2",
"positivePrompt": "Using the provided first frame as the opening shot, create a cinematic night sequence moving gently forward through luminous mangrove channels. The boat continues drifting through glowing water while mist curls between the roots, tiny bioluminescent insects swirl in layered depth, and distant lantern lights shimmer through the fog. Preserve the framing, subject identity, cloak color, and overall composition of the first frame, then add subtle natural motion: water ripples, soft branch sway, drifting spores, faint reflections, and a gradual reveal of a wider hidden lagoon. Moody, immersive, realistic, poetic, high temporal coherence, elegant camera movement, audiovisual storytelling atmosphere.",
"negativePrompt": "flicker, jitter, warped anatomy, extra limbs, sudden camera cuts, chaotic motion, oversaturated colors, text, watermark, logo, low detail, blurry subject, duplicated objects, deformed boat, daytime lighting, cartoon style",
"width": 1536,
"height": 896,
"duration": 8,
"fps": 24,
"steps": 40,
"CFGScale": 4.5,
"settings": {
"enhancePrompt": true
},
"inputs": {
"frameImages": [
{
"image": "https://assets.runware.ai/assets/inputs/edc95535-9838-4f1d-88ee-15a7dd1f7cc6.jpg",
"frame": "first"
}
]
}
}{
"taskType": "videoInference",
"taskUUID": "5282121f-0c07-45f9-8aa4-0563195f89df",
"videoUUID": "f77c26ca-e53f-47f5-9943-c8cd18b83de7",
"videoURL": "https://vm.runware.ai/video/os/a25d05/ws/5/vi/f77c26ca-e53f-47f5-9943-c8cd18b83de7.mp4",
"seed": 1358884006,
"cost": 0.24
}Bioluminescent Mangrove Lagoon Nocturne
{
"taskType": "videoInference",
"taskUUID": "2ac0f7a3-e508-45dc-87a1-412fb1430e3b",
"model": "lightricks:ltx@2",
"positivePrompt": "A cinematic night voyage through a bioluminescent mangrove lagoon under a crescent moon, low camera gliding just above dark glassy water between twisted roots and arching branches. Electric-blue plankton shimmer in the wake, amber fireflies pulse among hanging vines, translucent jellyfish-like spores drift through humid air, and tiny tree frogs chirp from the shadows. A narrow wooden canoe with woven lanterns passes slowly in the midground, carrying a cloaked botanist with reflective instruments and specimen jars. Gentle ripples, subtle leaf movement, curling mist, moonbeams filtering through the canopy, luminous fish darting beneath the surface, distant thunderclouds on the horizon. Natural, immersive synchronized audio: water lapping, insects, frogs, soft wood creaks, faint wind, occasional distant thunder, delicate crystalline chimes from the glowing spores. Ultra-detailed, dreamlike realism, smooth temporal coherence, moody teal-and-amber palette, cinematic depth, atmospheric volumetric lighting.",
"negativePrompt": "low resolution, flicker, jitter, duplicated subjects, deformed canoe, extra limbs, text, watermark, logo, overexposed highlights, harsh camera shake, cartoon style, flat lighting, noisy audio, distorted sound",
"width": 1280,
"height": 768,
"duration": 8,
"fps": 24,
"steps": 40,
"CFGScale": 4,
"settings": {
"enhancePrompt": true
}
}{
"taskType": "videoInference",
"taskUUID": "2ac0f7a3-e508-45dc-87a1-412fb1430e3b",
"videoUUID": "3d4059c9-e4b6-41b8-b22c-f49fefb3d02d",
"videoURL": "https://vm.runware.ai/video/os/a23d05/ws/5/vi/3d4059c9-e4b6-41b8-b22c-f49fefb3d02d.mp4",
"seed": 561683367,
"cost": 0.24
}