Seedance 2.5 AI Video Generator Native 30-second Clips with Audio

Seedance 2.5 is ByteDance's next-generation AI video model, turning text, images, audio, and video references into a single native 30-second clip — no stitching or multi-shot compositing.

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Reference Images (max 30)

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Reference Videos (max 10, total 30s)

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Reference Audio (max 10, total 30s)

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Video Edit

Edit the input video; duration and aspect ratio adapt automatically.

Video Extend

Extend the input video; choose the output duration.

Choose the right mode for your task

For tasks that explicitly edit or extend an existing video, turn on the matching switch above to avoid generation failures. Leave both switches off for standard video generation.

Resolution
Duration
5s
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Result view
Seedance 2.5 AI Video Generator demo
SEEDANCE_ENGINE_V2.5Standby

Multi Reference Guide

Seedance 2.5 supports text, image, video, and audio as input references. Combine multiple types of materials to guide AI video generation with greater precision and creative control.

For a detailed Seedance 2.5 tutorial, check out our Full Guide ↗

Prompt Guide

Type @ to quickly insert your uploaded files into the prompt.

Select a file to insert it as a reference (e.g. @Image1, @Video1, @Audio1), followed by a clear description (e.g. "A close-up of @Image1 wearing a jacket") so the AI knows exactly how to use the material.

Material Limits

  • Up to 30 reference images (max 30MB each, up to 4K resolution)
  • Up to 10 reference videos, total duration ≤ 30 seconds (2s–30s per video)
  • Up to 10 reference audios, total duration ≤ 30 seconds (2s–30s per audio)
  • Maximum 50 materials in total across all types

Supported Input Combinations

  • Text + Image
  • Text + Video
  • Text + Audio (New)
  • Text + Image + Video
  • Text + Image + Audio
  • Text + Video + Audio
  • Text + Image + Video + Audio

Note: To protect personal privacy, real human faces cannot be used as multimodal references (such as image or video references). Please use virtual characters or AI-generated faces instead.

Note: Video and audio duration limits are calculated independently (up to 30s each).

Model Overview

What Is Seedance 2.5?

A plain-language look at what Seedance 2.5 offers, who it's built for, and why it matters if you already use AI video tools for content, ads, or product visuals.

Seedance 2.5 is ByteDance's next Seedance model — and it's a big jump. While Seedance 2.0 nails short, flexible clips for everyday content, 2.5 is built for longer-form production: native 30-second single takes, native 4K instead of upscaling, and room for up to 50 reference assets in one project.

For creators and marketing teams, that shift matters because longer native clips mean less manual editing to combine multiple AI-generated segments into one coherent video. A bigger reference budget means you can lock in a character's appearance, a product's exact look, and a brand's visual tone all at once, rather than juggling separate generations for each element.

Key Upgrades

Seedance 2.5 Key Features:Native 4K, 30-Second Clips, 50 References

Six areas where Seedance 2.5 moves beyond Seedance 2.0. Each one maps to a real production problem creators run into with shorter, lower-reference AI video tools.

Output Length

Native 30-Second Clips, No Stitching

Instead of stitching short clips together, Seedance 2.5 should generate a full 30-second scene in one shot. For product demos, explainer content, and short-form ads, that means one continuous shot with consistent lighting and pacing, rather than visible seams where clips are stitched together.

Resolution

Native 4K Output for Production Use

Instead of relying on AI upscaling from a lower base resolution, Seedance 2.5 generates detail natively at 4K. That matters if your final video is destined for a large screen, a broadcast spot, or a client deliverable where softness from upscaling would be noticeable.

References

Up to 50 Multimodal Reference Assets

Feed it text, images, video, and audio together — Seedance 2.5 is built to juggle all four in one project, with room for up to 50 reference files. That's enough to combine a product shot, a brand color palette, a reference camera move, and a voiceover track without splitting the job across multiple generations.

Consistency

Character and Scene Consistency Across a Full Clip

Longer native clips only work if the subject stays recognizable throughout. Characters should stay recognizable — same face, same outfit, same environment — for the full 30 seconds. That's a common failure point in shorter AI video models when a clip runs past a few seconds.

Editing

Local Area Video Editing Without a Full Regeneration

If one section of a generated clip needs a fix — a prop, a gesture, or a background detail — Seedance 2.5 lets you edit just that area instead of regenerating the whole video. That can cut down on wasted credits and revision time compared to a full re-run.

Efficiency

Multilingual Generation, Clean Video Output

ByteDance Seedance 2.5 supports major languages including Chinese, English, Spanish, Indonesian, Malay, Thai, Arabic, Portuguese, Vietnamese, Japanese, and Korean, enabling native-language video creation for global creators. It also reduces random subtitles and unwanted background music, delivering cleaner outputs that are easier to edit with your own text, music, and post-production assets.

Video Showcase

Seedance 2.5 Video Examples

Explore Seedance 2.5 video examples showcasing native 30-second 4K clips with cinematic quality.

Seedance 2.5 cinematic landscape scene with smooth camera motion in native 4K
Seedance 2.5 AI-generated character close-up with consistent facial features throughout a 30-second clip
Seedance 2.5 product visualization clip with natural studio lighting in a continuous single take
Seedance 2.5 action sequence with stable character identity across complex camera movement
Seedance 2.5 sci-fi environment with detailed textures rendered at native 4K resolution
Seedance 2.5 lifestyle footage with natural motion and consistent scene composition
Seedance 2.5 commercial-grade AI video clip with professional color grading and no visible seams
Seedance 2.5 multi-subject scene demonstrating multimodal reference input capability
Seedance 2.5 single-take 4K video output with local area editing refinement applied

Create Your Story

How to Use Seedance 2.5: Step-by-Step Guide

No installation or local GPU is required. Seedance 2.5 runs in your browser, so you can prepare your references, write a complete scene prompt, and start generating.

STEP 01

Collect Your Reference Assets Now

Gather the product photos, brand images, video clips, and audio tracks you want to use with Seedance 2.5. With up to 50 reference slots per project, organizing your best assets first makes it easier to build a consistent video.

STEP 02

Draft Prompts for Longer Scenes

Since Seedance 2.5 can generate a full 30-second clip in one pass, write prompts that describe a complete scene arc: opening shot, main action, camera movement, lighting, and mood — not just a single short beat.

STEP 03

Generate and Refine

Generate the video and review the result. Use local editing to correct specific subjects, objects, or areas while preserving the rest of the clip. Once everything looks right, export the finished video.

Start GeneratingMore Prompt Guide

Who It's For

Seedance 2.5 Use Cases: Who It's Built For

Longer native clips, native 4K output, and a larger reference budget can help these teams build more consistent production-ready videos.

Social Media Creators & Video Bloggers

For TikTok, Instagram Reels, and YouTube Shorts, a full 30-second native clip means fewer cuts to hide seams between shorter AI-generated segments. Creators who post a consistent series — same character, same visual style — should benefit from stronger scene consistency across a whole video, not just a few seconds.

Marketing & Advertising Teams

Product ads and brand campaigns often need a consistent look across multiple variations. With up to 50 reference assets, teams could combine brand guidelines, product photography, and a reference camera move in one project, testing several creative directions before committing to a full production shoot.

Ecommerce Sellers & Brand Designers

Product showcase videos and brand story content built from existing photography are a natural fit for longer native clips. Instead of a 5-second loop, a 30-second native output gives more room to show a product from multiple angles or walk through a use case in one continuous shot.

Agencies & Production Teams

For pitches and early-stage concepts, faster previsualization matters more than final polish. Local area editing lets teams adjust a specific detail in a concept video without regenerating the whole clip, which can shorten the iteration loop during client review rounds.

Seedance 2.5 vs Seedance 2.0

Seedance 2.5 vs Seedance 2.0:What Actually Changes

A side-by-side look at the two models now available and the practical upgrades introduced with Seedance 2.5. Seedance 2.0 remains available on this site, while Seedance 2.5 has officially launched and is ready to use.

ComparisonSeedance 2.0Seedance 2.5NEW
AvailabilityLive now, available to try on this siteOfficially released and ready to use on this site
Clip LengthShorter single clips, often combined for longer contentNative single clips up to 30 seconds, no stitching required
ResolutionUp to 4K for short clipsNative 4K designed for longer, continuous sequences
Reference AssetsUp to around 12 reference assets per projectUp to 50 mixed text, image, video, and audio references
ConsistencyGood consistency within a short clipStronger character and scene consistency across a full 30-second clip
EditingSupports local video editing for partial clip changesMore precise local area editing for targeted fixes
Best FitEveryday short clips, quick social content, fast iterationLonger brand videos, product demos, and multi-scene stories

FAQ

Seedance 2.5 Frequently Asked Questions

Straight answers to the questions people most often search around Seedance 2.5 — release timing, pricing, commercial use, and how it stacks up against other AI video models.

01

What is Seedance 2.5?

Seedance 2.5 is ByteDance's next-generation AI video model. It generates native 4K video clips up to 30 seconds long from text prompts, images, audio, and video references — all in a single pass with no stitching required. It's a major upgrade over Seedance 2.0, with longer clips, stronger character consistency, up to 50 multimodal reference inputs, and local area editing.

02

When will Seedance 2.5 be released?

Seedance 2.5 was officially released on July 31, 2026. It supports longer video generation, multimodal references, native audio, and more controllable editing. Availability may vary by platform, region, and account.

03

Is Seedance 2.5 free to use?

Our platform runs on a credit-based system. New users get free credits on signup, enough for 1–2 videos, with no subscription required to get started. Seedance 2.5 uses the same account and credit system, so any remaining credits carry over automatically.

04

How do I use Seedance 2.5?

Using Seedance 2.5 takes three steps: write a prompt describing your scene — subject, motion, camera movement, lighting, and mood; upload reference assets like images, video clips, or audio (up to 50 per project); then generate and review your video, using local area editing to fix any specific section without regenerating the whole clip. No installation or GPU is needed — everything runs in your browser.

05

What's new in Seedance 2.5 vs Seedance 2.0?

Seedance 2.5 brings native 30-second single-clip output, native 4K resolution, up to 50 multimodal reference inputs across text, image, video, and audio, stronger character and scene consistency, and local area editing to fix one part of a clip without redoing the rest.

06

Does Seedance 2.5 support text-to-video and image-to-video?

Yes. Seedance 2.5 supports text-to-video, image-to-video, and combined reference workflows — text, images, video, and audio can all be used together in one project with up to 50 reference assets. Our platform already supports all three workflows on Seedance 2.0, so the transition to 2.5 will be seamless.

07

How long can Seedance 2.5 videos be?

Seedance 2.5 generates native videos up to 30 seconds in a single pass, with no stitching of shorter clips required. This makes it well suited for social content, product demos, and brand videos that need one continuous shot, and it is available directly in the generator with no extra setup.

08

How do I get better results with Seedance 2.5 prompts?

Be specific: describe the subject clearly, state the motion or action, specify camera movement (like a slow push-in or tracking shot), and note lighting and mood. Upload reference images to keep a character or environment consistent across the full clip. Focus on one objective per generation, then use local area editing to refine details rather than regenerating from scratch.

09

How does Seedance 2.5 compare to Sora, Runway, and Kling?

Seedance 2.5 stands out with native 30-second clips, native 4K output, and up to 50 multimodal reference inputs. Local area editing adds further precision, letting you fix one part of a clip without regenerating the whole thing.

10

Can I use Seedance 2.5 videos commercially?

Our platform's terms already permit commercial use of videos generated with Seedance 2.0, and we'll update our policy immediately if anything changes with the 2.5 release.

Explore More

Learn More

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