Seedance
8+ languages, cinema-quality lip-sync. Full creative freedom—go wild.
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Seedance 2.5
Overview
What is Seedance 2.5?
Seedance 2.5 is ByteDance's flagship video generation model, engineered specifically for native audio-visual joint generation. Unlike models that add audio as a post-process, Seedance generates video and audio simultaneously through a dual-branch architecture—ensuring perfect synchronization from the first frame.
The model's standout feature is its exceptional multilingual support. It generates natural dialogue in 8+ languages including English, Mandarin Chinese, Japanese, Korean, Spanish, Portuguese, and Indonesian, with accurate lip-sync and native pronunciation. It even handles regional accents like Cantonese and Sichuanese Chinese, making it ideal for global content creation.
Seedance 2.5 excels at emotionally expressive content. Voice tone automatically adjusts based on your prompt—whispers feel intimate, shouts carry urgency, and emotional dialogue conveys genuine feeling. Combined with cinematic camera work and first/last frame control, it's perfect for storytelling, music videos, and artistic projects that require expressive range for mature themes.
Capabilities
Multilingual Dialogue & Lip-Sync
Generate natural speech in 8+ languages with accurate lip-sync and native pronunciation. Supports regional accents and dialects for authentic localization. Voice tone adapts to emotional context—whispers, excitement, sadness all sound authentic.
First & Last Frame Control
Define exactly how your video begins and ends using reference images. Create precise transitions, seamless loops, or controlled narrative arcs with cinematic camera movements and professional framing.
Expressive Creative Freedom
Maintains stable character appearance across scenes while supporting diverse artistic visions. Express emotionally rich, mature themes with broad creative latitude—create what others can't.
Demo
Emotional Storytelling
Output
Emotional Storytelling
Seedance 2.5 excels at emotionally resonant narrative content. This demo showcases its ability to combine atmospheric visuals with nuanced vocal delivery—the character's whispered dialogue carries genuine feeling, synchronized perfectly with subtle facial expressions. Ideal for short films, music videos, dramatic content, and any project where emotional authenticity matters more than action spectacle.
Prompt
A young woman walks through rain-soaked Tokyo streets at night, neon reflections painting the wet pavement. She stops beneath a glowing sign, looks up at the dark sky, and whispers softly: 'Maybe tomorrow will be different.' Her voice carries quiet hope mixed with melancholy. Gentle piano melody, city ambience, raindrops on umbrella.
Multilingual Content
Output
Multilingual Content
Create content in multiple languages with authentic pronunciation and natural lip-sync. Seedance handles the complexity of different phonetic systems automatically—Japanese consonant clusters, Mandarin tones, and Spanish rhythm all render correctly. Perfect for international marketing, localized content, language learning materials, or any project targeting global audiences without expensive voice-over production.
Prompt
A friendly tour guide stands before the Eiffel Tower at sunset, speaking directly to camera. In clear, enthusiastic Spanish: 'Bienvenidos a París, la ciudad del amor. Hoy vamos a descubrir sus secretos más hermosos.' Warm smile, professional presentation style, ambient city sounds, golden hour lighting.
Model Comparison
| Feature | Seedance 2.5 | Kling 2.6 | Veo 3.1 | Sora 2 Pro |
|---|---|---|---|---|
| Multilingual | 8+ languages | 6+ languages | Limited | Limited |
| Lip-Sync Quality | Excellent | Excellent | Very Good | Very Good |
| Frame Control | First & Last | ✗ | First & Last | ✗ |
| Emotional Voice | Excellent | Very Good | Good | Good |
| Native Audio | ✓ | ✓ | ✓ | ✓ |
| Expressive Range | Broad | Standard | Standard | Standard |
| Best For | Multilingual stories | Singing & dialogue | Cinematic realism | Physics accuracy |
Choose Your Plan
One platform, 17+ top AI models — video, image, audio creation
Pro Max
The sweet spot for active creators
- 600 ×5 watermark removals/day
- ~300 Video upscale*
- Private Video generation ~1,000 *
- Get all 6,000 credits upfront*~1,000 videos, ~2,000 images, ~500 music, ~3,000 sound effects
- 17+ top AI models
- Video • Image • Audio generation*
- AI video upscaling included*
- Priority support
- Faster response
* Video upscaling, Private video, and content generation use your credits. Actual usage varies by model and settings—estimates shown are maximum possible outputs.
Pro Ultra
Maximum power for professionals
- Unlimited watermark removals
- ~1100 Video upscale*
- Private Video generation ~3,666 *
- Get all 22,000 credits upfront*~3,666 videos, ~7,333 images, ~1,833 music, ~11,000 sound effects
- 17+ top AI models
- Video • Image • Audio generation*
- AI video upscaling included*
- Dedicated advisor
- Highest priority processing
- VIP fast-track queue
- Early access to new models
* Video upscaling, Private video, and content generation use your credits. Actual usage varies by model and settings—estimates shown are maximum possible outputs.
Pro
Get started with AI creation
- 200 ×5 watermark removals/day
- ~60 Video upscale*
- Private Video generation ~200 *
- Get all 1,200 credits upfront*~200 videos, ~400 images, ~100 music, ~600 sound effects
- Video • Image • Audio generation*
- Priority support
* Video upscaling, Private video, and content generation use your credits. Actual usage varies by model and settings—estimates shown are maximum possible outputs.
Need more credits?
One-time packs never expire and are consumed after your plan credits.
L Pack
$0.10/credit
Adds 300 extra credits instantly.
XL Pack
$0.07/credit
Adds 1,100 extra credits for bigger shoots.
XXL Pack
$0.05/credit
Adds 4,000 credits for production weeks.