Story Sequences
Multi-beat scenes with a beginning, middle, and designed ending frame.
HOTSeedance 2.5 AI 工作室
Seedance 2.5 AI Video Generator — Up to 30s with Audio
最长 30 秒的片段，同步音频与多模态参考引导。
ByteDance Flagship1–30s DurationSynced AudioFrame Controls
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Seedance 2.5 核心特性
为精度、速度与创作灵活性而打造。
Long-Form Clips
Up to 30 seconds of continuous generation — complete scenes, not fragments.
Synchronized Audio
Sound effects and ambience generated in time with on-screen action.
Frame Endpoints
Define first and last frames to choreograph exactly how a shot begins and resolves.
Multi-Modal Input
Condition generation on images, video clips, or audio references for precise direction.
技术规格
Model Family
Seedance 2.5 (ByteDance)
Duration
1–30 Seconds
Resolution
480p / 720p
Controls
First & Last Frame
Seedance 2.5 is ByteDance’s flagship video model, combining two capabilities that rarely coexist: up to 30 seconds of continuous generation and frame-accurate endpoint control. It also accepts image, video, and audio references — the most flexible input set in the lineup.
The 480p/720p output tiers trade absolute resolution for duration and control — a sensible exchange for social content, previz, and story-driven clips where length and choreography matter more than 1080p pixel counts.
如何使用 Seedance 2.5
- 01
Provide Text or an Image
Describe the scene you want to animate, or upload a still frame to use as the starting point of your clip.
- 02
Set Duration & Quality
Choose clip length, resolution, aspect ratio, and whether you want synchronized audio generated with the visuals.
- 03
Generate & Export
Render the clip and preview it instantly. Download the MP4 for social platforms, campaigns, or storyboards.
你可以用 Seedance 2.5 创作什么
Audio-Synced Content
Clips where sound and action are generated together for cohesive pacing.
Social Storytelling
Longer-form Reels and Shorts that hold attention past the 5-second mark.
Directed Previz
Frame-controlled shots for pitching camera moves and scene transitions.
可直接复制的提示词
经过验证的提示词，复制后可直接在上方生成器中运行。
Directed
Frame-Controlled Reveal
First frame: a closed ornate door in a candlelit hallway. Last frame: the door fully open revealing a snow-covered garden. Slow continuous push-in shot, mysterious ambience audio.
Audio
Audio-Synced Scene
A busy Tokyo crossing at night: crowds flow, neon signs flicker, rain begins falling — synchronized ambient audio of footsteps, chatter, and the first raindrops.
Cinematic
Long Travel Shot
Continuous 25-second drone flight: start low over a lavender field, rise to reveal rolling Provence hills, a stone village, and the setting sun — documentary cinematography.
Seedance 2.5 常见问题
Up to 30 seconds at 480p or 720p — among the longest AI video durations available.