ByteDanceSeedance 2.5
Next-Gen Audio-Video AI
Seedance 2.5 is ByteDance's next-generation video model, generating clips up to 30 seconds in 480p or 720p with synchronized audio. Direct scenes with up to 50 multimodal references and pin exact start/end frames for precise motion.
Seedance 2.5 video generation is available on faktry: 480p/720p, clips up to 30 seconds, and up to 50 multimodal references, all with synchronized audio.
Example Videos
See Seedance in action with these example videos generated using the model.
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 clips up to 30 seconds in 480p or 720p, guided by up to 50 multimodal references (images, video, and audio), and supports start/end frame control so you can pin exactly how a shot begins and ends.
Seedance 2.5 at a glance
- Developer
- ByteDance
- Released
- 2026
- Type
- Joint audio-video generation model
- Max video length
- Native 30 seconds, extendable
- Resolution
- 480p, 720p
- 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 | 480p, 720p |
| Multimodal references | Up to 15 inputs | Up to 50 inputs |
| Editing | Full-frame regeneration | Start/end frame control |
| 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.
480p / 720p Output
Render in 480p for fast drafts or 720p for a cleaner final pass, on every mode.
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.
Start & End Frame Control
Pin a starting image and an optional end frame, and Seedance 2.5 generates the motion in between.
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
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
Pin a start and end frame to control exactly how a product shot transitions from one look to another.
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 video in minutes. Pin a start and end frame to refine exactly how the shot moves.
Can I try Seedance 2.5 for free?
Start generating next-gen videos today with free credits.
Free credits to try us
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, 480p/720p output, and up to 50 multimodal references.
Can I try Seedance 2.5 for free?
Yes. Sign up at faktry.ai and you get 100 free credits instantly, no credit card required. That is enough to generate your first Seedance 2.5 videos straight away. After that there is no subscription: you pay only for what you actually generate.
What's the difference between Seedance 2.5 and Seedance 2.0?
Seedance 2.5 doubles the maximum clip length to up to 30 seconds, increases multimodal references from 15 to 50, adds start/end frame control, 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.