ByteDanceSeedance 2.5
Next-Gen Audio-Video AI
Seedance 2.5 is ByteDance's next-generation video model, generating native 30-second clips in true 4K with synchronized audio. Direct scenes with up to 50 multimodal references and make surgical region-level edits without regenerating the whole shot.
Seedance 2.5 video generation is available on faktry: native 4K, clips up to 30 seconds, and up to 50 multimodal references, all with synchronized audio.
What Is Seedance 2.5?
Seedance 2.5 is ByteDance's next-generation video model, built for 30-second storytelling with joint audio-video generation. It produces native 30-second clips in true 4K, guided by up to 50 multimodal references (images, video, audio, and style), and supports region-level editing so you can change one part of a frame without regenerating the whole shot.
Seedance 2.5 at a glance
- Developer
- ByteDance
- Released
- 2026
- Type
- Joint audio-video generation model
- Max video length
- Native 30 seconds, extendable
- Resolution
- Up to native 4K
- References
- Up to 50 multimodal inputs
- Audio
- Native, synchronized generation
- On faktry
- Available now
Last updated: · Model details published by ByteDance
Seedance 2.5 vs Seedance 2.0
What changes between ByteDance's established Seedance 2.0 and the newer Seedance 2.5.
| Capability | Seedance 2.0 | Seedance 2.5 |
|---|---|---|
| Duration | Up to 15 seconds | Native 30 seconds, extendable |
| Resolution | 480p, 720p | Up to native 4K |
| Multimodal references | Up to 15 inputs | Up to 50 inputs |
| Editing | Full-frame regeneration | Region-level editing |
| Prompt accuracy | Baseline | ~20% more accurate |
| Aspect ratios | auto, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16 | 16:9, 9:16, 1:1, 4:3, 3:4, 21:9 |
Why Choose Seedance 2.5?
ByteDance's latest video generation technology, built for longer, more controllable, production-grade output.
Native 30-Second Clips
Generate a full 30-second take in a single generation, extendable for longer narratives, up from 15 seconds on Seedance 2.0.
Native 4K Output
Render in native 4K, a major step up from the 480p and 720p ceiling on Seedance 2.0.
50 Multimodal References
Lock a character, set, and color palette across the full take using up to 50 reference images, videos, audio clips, and style inputs.
Region-Level Editing
Change a product, an outfit, or a background element while the rest of the shot stays untouched.
Sharper Prompt Following
Roughly 20% more accurate at following prompts than Seedance 2.0, so specific camera moves and actions land in fewer attempts.
Joint Audio-Video Generation
Synchronized audio generated alongside video, with smoother, more consistent motion and more realistic visuals.
Capabilities
A closer look at what Seedance 2.5 can generate and control.
Video Generation
Example Videos
See Seedance in action with these example videos generated using the model.
Where Seedance 2.5 Fits In
Longer, more controllable video generation for projects that used to need multiple takes.
30-Second Storytelling
Tell a complete story in a single native take instead of stitching several short clips together.
Marketing Video
Produce longer, on-brand video content for ads and social campaigns with consistent characters and settings.
Product Visualization
Use region-level editing to swap a product, color, or background without re-rendering the whole shot.
Social Content
Generate reference-driven video across all six aspect ratios for every platform, from a single source.
How It Works
Creating videos with Seedance 2.5 is simple and powerful.
Describe Your Video
Write a detailed text description of the video scene you want to create, or add reference images, video, or audio.
Configure Your Settings
Set duration, resolution, aspect ratio, and audio options. Add up to 50 multimodal references for consistency.
Generate & Download
Get your native 4K video in minutes. Use region-level editing to refine specific parts of the shot.
Ready to Create with Seedance 2.5?
Start generating next-gen videos today with free credits.
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Frequently Asked Questions
What is Seedance 2.5?
Seedance 2.5 is ByteDance's next-generation video model, built for 30-second storytelling with joint audio-video generation, native 4K output, and up to 50 multimodal references.
What's the difference between Seedance 2.5 and Seedance 2.0?
Seedance 2.5 doubles the maximum clip length to a native 30 seconds, raises resolution up to native 4K, increases multimodal references from 15 to 50, adds region-level editing, and follows prompts roughly 20% more accurately.
How long can Seedance 2.5 videos be?
Seedance 2.5 generates a native 30-second clip in a single generation, with the option to extend further for longer narratives.
How many reference inputs does Seedance 2.5 support?
Up to 50 multimodal references, including images, video, audio, and style inputs, to keep a character, set, and color palette consistent across the full take.
What aspect ratios are supported?
Seedance 2.5 supports six aspect ratios: 16:9, 9:16, 1:1, 4:3, 3:4, and 21:9.
Can I use Seedance 2.5 videos commercially?
Yes! All videos generated with Seedance 2.5 can be used for commercial purposes including marketing, advertising, and content creation.