Lightricks开源LTX-2:首个音视频联合生成开源基础模型
2026-01-07 14:50
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ComfyUI团队宣布，由Lightricks开源的音视频一体模型LTX-2，现已在ComfyUI中原生支持！
LTX-2不仅能输出高质量视觉效果，还兼顾资源占用与运行速度的高效性。该模型可通过单次运算同步生成动作、对话、背景音与音乐，打造连贯的音视频体验。在开放透明的框架下，模型支持灵活定制，为开发者提供创作自由度与操控权。
模型亮点
该模型能呈现动态场景，还原自然的动作与表情，同时支持多输入模态，提供灵活操控，可在消费级硬件上高效运行
输出示例
文本生视频
示例1：
提示词：A man in a black tuxedo stands motionless in a small,red-tiled bathroom,facing a mirror.The camera sits just behind his right shoulder,framing both his back and his solemn reflection.Suddenly,he opens his mouth and begins to sing opera in Italian:"La donnaèmobile,qual piuma al vento."Rich,resonant notes echo through the space.As his voice climbs in pitch,his brows lift,and his expression becomes more passionate,almost vulnerable.The overhead lighting casts a sharp glow on his face and tuxedo,reflecting in the glossy red tiles around him.The camera is static
图片生视频
示例1：
输入
提示词：A close-up shot of a young waitress in a retro 1950s diner,her warm brown eyes meeting the camera with a gentle smile.She wears a black polka-dot dress with an elegant cream lace collar,her reddish-brown hair styled in an elaborate updo with delicate curls framing her freckled face.Soft,warm light from overhead fixtures illuminates her features as she stands behind a yellow counter.The camera begins slightly to her side,then slowly pushes in toward her face,revealing the subtle rosy blush on her cheeks.In the blurred background,the soft teal walls and a glowing red"Diner"sign create a nostalgic atmosphere.The ambient sounds of clinking dishes,distant conversations,and the gentle hum of a jukebox fill the air.She tilts her head slightly and says in a friendly,warm voice:"Welcome to Rosie's.What can I get for you today?"The mood is inviting,timeless,and full of classic American diner charm.
示例2：
输入
提示词：A wide,dynamic tracking shot follows a group of mountain bikers as they race across a pristine snow-covered landscape on a brilliant winter morning.The camera moves at speed,keeping pace with the lead biker in a vibrant yellow jacket and orange helmet,who launches into the air over a snow mound,their bike suspended against the clear blue sky.Snow particles explode around them,catching the golden light of the low sun that creates dramatic backlighting and long shadows across the terrain.Several other bikers follow closely behind,their dark silhouettes kicking up plumes of powdery snow as they navigate the undulating mounds.The only sounds are the crunch of tires biting into packed snow,the whoosh of air as they fly through jumps,and the distant sound of heavy breathing and excited shouts.One biker calls out to another with exhilaration:“This is incredible!The light is perfect!”Another responds with a breathless laugh:“Keep pushing!We’re almost at the ridge!”The camera glides smoothly alongside the group,occasionally pulling back to reveal the full expanse of the snowy landscape with bare birch trees and dark evergreens lining the edge.The mood is exhilarating,fast-paced,and full of the raw energy of winter mountain biking,with every jump and turn captured in crisp detail against the brilliant white snow and vibrant sky.
只需将ComfyUI更新至最新开发版本（桌面端及Comfy Cloud即将支持）
进入模板库->视频->选择任意LTX-2工作流
按照弹窗提示下载模型，检查所有输入内容，即可运行工作流
一如既往，享受创作的乐趣！
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