ByteDance

Model Profile

Seedance 2.5

ByteDanceAI Video Generation

ByteDance's next-generation video model with up to 30-second clips, 50 multimodal references, native audio, precise editing, and 7- or 35-day Unlimited generation on eligible Unify plans.

Provider

ByteDance

Workflow

AI Video Generation

Key features

4

Example Videos for Seedance 2.5

Media below is reused from the Unify landing page model viewer so each model page has a concrete example section instead of text alone.

Example video

Up to 30 seconds in one shot

Example video

Native audio and reference control

Example video

Cinematic long-form shots

About Seedance 2.5

Seedance 2.5 is ByteDance's next-generation AI video model, now live on Unify. It creates up to 30-second videos at 480p, 720p, or 1080p, accepts as many as 30 images, 10 video clips, and 10 audio clips, generates native audio, and supports precise edits and extensions. Pro monthly includes seven-day Unlimited at 720p for up to 8 seconds; Pro yearly and Scale include 35-day Unlimited at supported 720p limits, while Ultra includes 35-day Unlimited up to 1080p.

Key Features

01

7- or 35-day Unlimited on eligible plans

02

Up to 30-second clips

03

30 images + 10 videos + 10 audio references

04

Native audio and MP4/MOV output

Best For

01

30-second ad and product-story planning

02

Reference-heavy brand and character briefs

03

Localized multi-version video concepts

04

Film and short-drama previsualization

Technical Specifications

ProviderByteDance
AvailabilityNow live on Unify
Single-pass length4–30 seconds
Reference inputsUp to 30 images + 10 videos + 10 audio clips
EditingTimestamp-based editing and multi-round extension
Output480p or 720p; MP4 or MOV
Unlimited7 or 35 days at supported resolutions up to 1080p
PricingUnlimited on eligible plans; credits apply to other settings

Pros

30-second single-pass storytelling

Up to 50 multimodal references

Timestamp-based edits and video extension

Native audio with MP4 or MOV export

Cons

No 1080p or 4K output

Real-person reference assets require supported authorization workflows

Editing and extension have adaptive-ratio constraints

How to Use Seedance 2.5

01

Sign Up Free

Create your Unify account in seconds. No credit card required.

02

Select Seedance 2.5

Choose Seedance 2.5 from the model selector in the video interface.

03

Start Creating

Enter your prompt and let Seedance 2.5 generate amazing results.

Other Video Models on Unify

Popular Use Cases

Compare Seedance 2.5

Frequently Asked Questions About Seedance 2.5

What is Seedance 2.5?+
Seedance 2.5 is ByteDance's live AI video model for long-form generation, multimodal reference control, timestamp-based edits, video extension, and native audio.
How long can a Seedance 2.5 clip be?+
Seedance 2.5 can generate clips from 4 to 30 seconds in one request.
Does Seedance 2.5 support 4K output?+
No. Seedance 2.5 currently supports output up to 1080p.
Can I use Seedance 2.5 on Unify today?+
Yes. Select Seedance 2.5 in Unify's Video Generator or add it to a Video node in Studio.
Is Seedance 2.5 unlimited on Unify?+
Pro monthly includes seven-day Unlimited Seedance 2.5 generation at 720p for up to 8 seconds. Pro yearly and Scale include 35-day access at supported 720p limits, while Ultra includes 35-day access up to 1080p. One Unlimited job can run at a time through a dedicated variable-speed queue, and fair-use terms apply.
How should I prepare a Seedance 2.5 prompt?+
Plan the opening, development, turning point, and ending first. Organize references by character, product, scene, style, motion, audio, and language, then reserve targeted edits for local corrections after the first pass.

Ready to Try Seedance 2.5?

Join thousands of creators using Unify to access the best AI models in one place.