Seedance 2.0
Seedance 2.0 is a unified multimodal audio-video generation model from ByteDance that accepts text, image, audio, and video inputs in combination, supporting up to 9 images, 3 video clips, and 3 audio clips as reference. It generates multi-shot videos up to 15 seconds with dual-channel synchronized audio including dialogue, ambient sound, and effects. It features physics-aware motion, improved controllability for video extension and editing, and strong instruction following for complex scene composition.
Windblown Dune Research Camp
{
"taskType": "videoInference",
"taskUUID": "b442bb0e-d3b4-407b-897b-079f2e711a81",
"model": "bytedance:seedance@2.0",
"positivePrompt": "A sweeping multi-shot desert expedition scene at golden dusk: a remote research camp of pale fabric tents and angular instruments set among towering dunes, gusts of wind driving ribbons of sand across the ground. Start with a wide aerial glide revealing the camp isolated in a vast sea of sculpted dunes, then cut to ground level where a field scientist in a sun-faded saffron coat braces against the wind and secures a flapping survey banner beside a humming weather mast. A pack lizard with polished brass tags blinks and shifts under its cargo. Cut to a close shot of fine sand skittering over metal cases, guy lines straining, fabric snapping, goggles reflecting the orange sky. End on a medium-wide shot as the team uncovers a mirrored geometric monolith emerging from the dune face, sending sharp bands of light across the camp. Realistic physics-aware motion, dynamic camera movement, rich atmospheric depth, cinematic natural color, high detail, dramatic scale, immersive desert ambience with whistling wind, rattling equipment, fabric flaps, distant shouted dialogue, no subtitles, no text overlay.",
"width": 1280,
"height": 720,
"duration": 10,
"settings": {
"audio": true
}
}{
"taskType": "videoInference",
"taskUUID": "b442bb0e-d3b4-407b-897b-079f2e711a81",
"videoUUID": "44bc11c5-c98a-486a-a9a5-4a22c8f4a6fd",
"videoURL": "https://vm.runware.ai/video/os/a04d20/ws/5/vi/44bc11c5-c98a-486a-a9a5-4a22c8f4a6fd.mp4",
"seed": 356180959,
"cost": 1.58337
}Frosted Funfair Ferris Wheel
{
"taskType": "videoInference",
"taskUUID": "864aab6a-fa35-45fc-b5f1-26e53e3cd255",
"model": "bytedance:seedance@2.0",
"positivePrompt": "Transform the supplied first frame into a multi-shot cinematic sequence at a frozen fairground at twilight. Begin exactly from the provided image composition, then slowly introduce believable motion: the Ferris wheel starts with a hesitant creak and gradually turns, a few bulbs flicker alive in alternating colors, powdery snow drifts across the ground in light gusts, loose bunting trembles, and a forgotten paper ticket skitters past the camera. Evolve into wider and closer views that preserve the same location and structure. Add subtle signs of recent human presence without showing crowds: a swinging gate, footprints filling with fresh snow, a concession shutter rattling, a distant generator hum. Mood is eerie but wondrous, family-friendly, richly textured, realistic lighting, strong depth, natural physics, clean cinematic camera movement, detailed ice, metal, and fabric surfaces. Include synchronized environmental audio only: Ferris wheel groans, bulb buzz, soft snow crunch, faint wind, cable rattle, no dialogue, no music.",
"width": 1280,
"height": 720,
"duration": 8,
"settings": {
"audio": true
},
"inputs": {
"frameImages": [
{
"image": "https://assets.runware.ai/assets/inputs/7e66faad-2fac-4f84-8fd3-afadedb21553.jpg"
}
]
}
}{
"taskType": "videoInference",
"taskUUID": "864aab6a-fa35-45fc-b5f1-26e53e3cd255",
"videoUUID": "bf5c3a9c-9cae-4292-9f00-479f0036b32a",
"videoURL": "https://vm.runware.ai/video/os/a05d22/ws/5/vi/bf5c3a9c-9cae-4292-9f00-479f0036b32a.mp4",
"seed": 1215234287,
"cost": 1.26801
}Rain-Slick Harbor Chase Sequence
{
"taskType": "videoInference",
"taskUUID": "b9d221e1-0049-4df0-a534-47f9b79f8036",
"model": "bytedance:seedance@2.0",
"positivePrompt": "Create a tense multi-shot cinematic harbor pursuit at night on rain-soaked docks. A courier in a mustard waterproof coat sprints across slick metal walkways carrying a dented silver case while a compact motorboat glides alongside the pier. Use the reference video for camera energy, pacing, and dock layout, but transform it into a sharper action sequence with stronger character focus and clear geography. Sync closely to the reference audio: rainfall in the background, fast footsteps ringing on metal, the motorboat engine swelling as it approaches, a foghorn in the distance, and the shouted line 'Cut the line, now!' timed naturally within the scene. Include splashes, rope tension, swinging harbor lights, reflections in puddles, spray from the boat wake, and a final near-miss jump onto a narrow gangway. Realistic physics, coherent motion, dramatic contrast, crisp facial visibility, natural lip sync, high-detail cinematic realism.",
"width": 1280,
"height": 720,
"duration": 5,
"settings": {
"audio": true
},
"inputs": {
"referenceVideos": [
"https://assets.runware.ai/assets/inputs/bfb8536d-662c-4309-9856-1b56ebd28fa5.mp4"
],
"referenceAudios": [
"https://assets.runware.ai/assets/inputs/580cd68b-c0d9-4459-8903-053dacd36eb4.mp3"
]
}
}{
"taskType": "videoInference",
"taskUUID": "b9d221e1-0049-4df0-a534-47f9b79f8036",
"videoUUID": "2e2dca47-9c46-40da-9fa5-083184319947",
"videoURL": "https://vm.runware.ai/video/os/a03d21/ws/5/vi/2e2dca47-9c46-40da-9fa5-083184319947.mp4",
"seed": 727156497,
"cost": 1.0971
}Flooded Metro Piano Recital
{
"taskType": "videoInference",
"taskUUID": "6875158e-45e9-4586-81d7-2c961898f92a",
"model": "bytedance:seedance@2.0",
"positivePrompt": "A poetic multi-shot sequence inside an abandoned flooded metro station. Begin on a quiet platform where a lone pianist in a mustard coat plays an upright piano surrounded by shallow reflective water. Camera starts wide, then glides closer past floating ticket stubs and trembling reflections on tile columns. As the melody grows, ripples spread across the water, droplets fall from overhead cables, and paper boats drift into view. Cut to low angles near the waterline showing the piano pedals, vibrating strings, and concentric ripples. A stalled train rests in the background with doors ajar. Mid-scene, the camera tracks along the platform as light flickers and the ambient station acoustics echo softly. End with the pianist standing beside the piano while cool daylight pours from the tunnel, water shimmering with layered reflections. Realistic motion, cinematic lighting, rich atmosphere, synchronized diegetic piano, water sounds, distant electrical hum, subtle train creaks.",
"width": 1280,
"height": 720,
"duration": 10,
"settings": {
"audio": true
},
"inputs": {
"frameImages": [
{
"image": "https://assets.runware.ai/assets/inputs/de6c8cb1-8450-4c5c-9f59-f742af04b1fa.jpg",
"frame": "first"
},
{
"image": "https://assets.runware.ai/assets/inputs/4cdac2fe-1803-4f2a-8f55-84563afbfbc5.jpg",
"frame": "last"
}
]
}
}{
"taskType": "videoInference",
"taskUUID": "6875158e-45e9-4586-81d7-2c961898f92a",
"videoUUID": "65e3aeaa-2211-41d8-a130-bea1a85f8653",
"videoURL": "https://vm.runware.ai/video/os/a09dlim3/ws/5/vi/65e3aeaa-2211-41d8-a130-bea1a85f8653.mp4",
"seed": 1867574248,
"cost": 1.58337
}