ByteDanceの最新動画モデルSeedance 1.5 Pro ドラフトモードがFloyo @FloyoAI に搭載！ AI動画制作で最もコストがかかるのが 反復生成&確認作業 今回のドラフトモードを使えば ■STEP１ まず低コストの480pドラフトで 構成やカメラワークを高速で確認 STEP２ ■問題なければ
Seedance 1.5 AI Video Generator: AI Native Video Generation
Seedance 1.5 AI is an advanced AI video generation model from ByteDance Seed AI, powered by the innovative MMDiT (Multimodal Diffusion Transformer) architecture. It generates vivid, seamless motion from static images via intelligent trajectory extraction and, for the first time, achieves native synchronization of video and audio. Offering multi-shot arrangement, natural movement, and clear visuals, it empowers both creators and brands to efficiently produce high-quality, deeply controllable video and audio content.
Select a video from your creations to play
Video Creations
What is Seedance 1.5 AI?
Seedance 1.5 is an AI tool focused on the synergy between movement and sound. It generates natural, continuous motion from your text or image prompts, and simultaneously produces high-fidelity environmental audio and lip sync.
This video is a feature promo for Seedance 1.5, designed to demonstrate its advances in animation and video generation. Through dynamic scenes—such as mountain biking, skiing, and motorcycle jumps—it spotlights Seedance 1.5’s smooth motion, cinematic visuals, and precise lip sync capabilities. The video illustrates how easily you can create professional, commercial AI video content directly from natural language prompts, underlining the evolution from basic visual generation toward specialized, production-quality UGC.
Core Features about Seedance 1.5 AI
Native joint video and audio generation with precise motion control instantly transforms static materials into cinematic dynamic shorts with voiceover and sound effects.
Native Audio-Visual Sync
Unlike traditional video generation workflows that create visuals first and add sound later, Seedance 1.5 natively produces video and audio in perfect sync. From lip movements and environmental sounds to action effects, every element is aligned with millisecond precision.
Cinematic Camera Control
Supports advanced camera movements such as Hitchcock zoom, orbital tracking, and dynamic follow shots, giving generated videos a professional, cinematic appeal.
Start & End Frame Consistency
By uploading both the starting and ending frames, Seedance 1.5 intelligently completes the motion trajectory. This ensures exceptionally stable visuals and logical consistency for scenes lasting 4–12 seconds.
Advanced Human Dynamics
Leveraging extensive high-quality motion data, Seedance 1.5 precisely handles complex actions—such as body rotations and large limb movements—solving common AI video issues like unnatural poses and chaotic spatial logic.
Advantages of Seedance 1.5 AI Video Generator
Delivers exceptional audio-visual consistency, efficient generation speed, and enhanced narrative expressiveness.
Ultimate Lip Sync & Multilingual Support
Achieve highly accurate lip movements and facial expressions synced to voice, supporting English, Chinese (including Cantonese, Sichuanese and other dialects), Japanese, and more.
High-Efficiency Inference
Benefit from multi-stage distillation technology that greatly accelerates generation speed, letting creators quickly test and iterate new creative ideas.
Outstanding Style Transfer
Apply artistic effects such as oil painting, anime, or bespoke branding styles while maintaining fluid, consistent motion—ideal for diverse social marketing scenarios.
Coherent Narrative Logic
Expertly handles multi-shot transitions and story flow, ensuring each moment generated logically advances your narrative and delivers on expressive storytelling.
Typical Use Cases for Seedance 1.5 AI
Seedance 1.5 AI is broadly applicable to professional film production, short-form video marketing, interactive advertising, and ACG (anime, comics, games) content creation.
AI Virtual Performance
Generate explainer or livestream-style videos featuring natural dialogue, expressive faces, and full-body motion for virtual human presenters.
Premium Product Commercials
Turn static product images into cinematic, high-end dynamic showcases by precisely controlling both the start and end frames.
Short Drama & Social Content
Leverage robust dialect and audio-visual sync features to easily batch-generate high-quality short dramas for social media or community engagement.
Film Storyboarding
Directors can use precise camera movement control to quickly visualize and build dynamic storyboards for film, reducing communication costs.
Share Seedance 1.5 on Twitter
Seamless audio-visual integration. Seedance 1.5 brings a revolutionary native audio-video sync experience—achieving millisecond-level alignment between visuals and ambient sound. From cinematic camera movement to subtle dynamic expression, there's no need for post-production: just one prompt, and your vision takes shape. Discover how creators define impact with Seedance 1.5!
Seedance 1.5 PRO and Zeely just made creating ads feel… kind of wow. In just a few clicks, you can put together commercials that look like a whole creative team worked on them. Except it’s really just you and your idea. One model. Video and audio together. Want to turn your
Veo3 和 Sora2 发布之后，AI 视频模型的发展趋势已经非常清晰，就是是音视频融合。 今天，国内的终于跟上节奏，火山引擎正式发布了Seedance 1.5 pro。 它采用了业界领先的音视频联合生成方案。 它在音画同步、方言演绎、运镜控制和叙事表达上展现了惊人的潜力。 这是我做的一组相声和方言的实测。
This hit harder than expected ⚔️ By Seedance 1.5 Pro on @ImagineArt_X
How to Use Seedance 1.5 AI Video Generator
Create high-quality UGC-style advertising videos with Seedance 1.5 in just a few easy steps.
Input Materials
Upload character images as references, or use text prompts to set the initial scene.
Set Actions and Camera
Describe the desired motion (for example, 'the person laughs and turns their head to the right') or specify camera movement. You can also add instructions for voice or sound effects by entering spoken lines or ambient sound descriptions.
One-Click Generation & Refinement
Generate videos up to 720p/1080p, preview the audiovisual result, and adjust settings as needed.
FAQs about Seedance 1.5 AI
More Articles & News about Seedance 1.5 AI Video Generator
2026-05-21
UGC AI Video Prompts: 12 Copy-and-Paste Templates for Better Ads
Copy-ready UGC AI video prompts for TikTok, Reels, Shorts, and paid social ads, with templates for reviews, demos, testimonials, hooks, CTAs, and ad tests.
Read More
2026-05-15
Gemini Omni UGC Generation Predictions: What Could Change for Creator Ads
Explore Gemini Omni UGC generation predictions, prompt workflows, and how to create creator-style ads now with UGC Maker AI.
Read More
2026-04-18
HappyHorse 1.0 for UGC Ads: What’s New and How to Turn It Into Better Shorts
See what’s new with HappyHorse 1.0 and learn how to turn it into better UGC ads and shorts with practical tips and prompt ideas.
Read More