Seedance 2.5 AI Video Generator
Seedance 2.5 turns prompts and creative references into longer, connected video stories with matching dialogue, music, ambience, and clearer control over each story beat.
Click to upload
JPEG, PNG, WebP | 300-6000px | Max 10MB
Click to upload
JPEG, PNG, WebP | 300-6000px | Max 10MB
Text to Video & Image to Video
Credits = output duration × rate per second
| 480P | 720P | |
|---|---|---|
| Pro | 65 /s | 135 /s |
| Fast | 50 /s | 110 /s |
Omni Reference (with reference video)
Credits = (input video duration + output duration) × rate per second
| 480P | 720P | |
|---|---|---|
| Pro | 40 /s | 85 /s |
| Fast | 30 /s | 65 /s |
Omni Reference without reference video uses the standard rate above. Input video duration is rounded up to the nearest second.
Seedance 2.5: From Brief to 30-Second Story
The ByteDance video generator gives ideas room to become complete scenes, combining longer storytelling, flexible references, precise revisions, and sound that fits the action.
Build a Beginning, Turn, and Ending
Seedance 2.5 can create up to 30 seconds in one generation, twice the single-clip length of Seedance 2.0. Describe a setup, development, turning point, and resolution, and the video can move through connected shots while keeping the central subject and visual mood recognizable.
Direct the Result With Rich References
Give Seedance 2.5 up to 30 images, 10 video clips, and 10 audio clips to define people, products, locations, motion, voices, and style. Assign every reference a clear role in your prompt so complex scenes follow your plan instead of filling important gaps with unwanted details.
Change One Moment Without Starting Over
Seedance 2.5 can target a specific moment in an existing clip, making it practical to replace an object, adjust an action, revise a background, or improve a sound cue. Clear time-based instructions help protect approved parts of the scene while you focus attention on the part that needs work.
Create Picture, Dialogue, and Atmosphere Together
The Seedance 2.5 video generator builds visible action and matching sound as one creative result. Spoken lines, music, footsteps, room tone, and environmental sounds can follow the scene's timing, helping a performance, product story, or dramatic reveal feel complete before separate editing begins.
Plan, Generate, and Review Each Beat
Start with the creation controls available on this page, then keep your prompt focused and review important actions before publishing.
Choose How the Scene Begins
Select Text-to-Video to begin with words, Image-to-Video to animate an opening image, or Omni Reference to guide identity, motion, and sound with supplied material. For Seedance 2.5 image to video planning, add a final image when the ending pose or composition must be clearly defined.
Set Length, Quality, and Framing
The current creation panel uses Seedance 2.0 controls: choose Fast or Pro, a 4-15 second duration, 480p or 720p quality, and 21:9, 16:9, 9:16, 4:3, 3:4, or 1:1 framing. Turn sound on when dialogue, ambience, or music is part of the idea.
Generate, Inspect, and Download
Write the subject and action first, then add setting, visual mood, movement, dialogue, and sound. Generate the MP4, check faces, hands, product shapes, spoken timing, and transitions, then download it. If an action misses, keep the references and change only that instruction for the next attempt.
Why Seedance 2.5 Expands Creative Control
This long-form video generator is designed for longer ideas, reference-heavy direction, and revisions that do not discard an otherwise successful scene.
⏱️ Twice the Single-Generation Story Time
Seedance 2.0 reaches 15 seconds in one generation, while Seedance 2.5 reaches 30. That extra time gives dialogue, demonstrations, journeys, and visual reveals space to develop without forcing every idea into several separately generated clips.
🧩 Up to 50 References With Clear Roles
Instead of relying on one prompt and a few examples, you can define a full cast, locations, products, motion, and sound with 30 images, 10 videos, and 10 audio clips. Carefully assigned references make planned sequences more faithful than loosely described alternatives.
🎯 Focused Changes Protect Approved Work
Many video makers require a full new attempt when one moment is wrong. Seedance 2.5 supports time-guided changes, so you can focus on a prop, action, background, or sound while preserving the parts of the clip that already match your direction.
🛍️ Product Stories Keep a Clear Hero
Use product images, location references, a planned sequence, and a sound brief to create a longer demonstration or reveal. The Seedance 2.5 video generator can keep the featured object recognizable while lighting, surroundings, people, and story beats change around it.
🎵 Performances Follow Voice and Rhythm
An audio reference can guide timing, speech, music, and visible performance together. This makes the Seedance 2.5 AI video generator useful for dialogue scenes, dance concepts, and musical sequences where motion must feel connected to the supplied sound rather than added afterward.
📖 Longer Worlds Can Continue Beyond One Clip
Extend a finished scene forward or backward while carrying its main people, setting, visual mood, and sound into new footage. Compared with rebuilding every continuation from zero, Seedance 2.5 gives serialized stories and multi-part explainers a more connected starting point.
Seedance 2.5 Questions and Answers
Practical answers about settings, references, prompts, revisions, extensions, and responsible use of this long-form video generator.
How is Seedance 2.5 different from Seedance 2.0?
The main changes are a 30-second maximum instead of 15 seconds, up to 50 mixed references, repeated extensions, and more precise changes to selected moments. Seedance 2.5 also aims for stronger transitions, more stable subjects, more natural motion, and better coordination between visible action and sound.
Which duration, quality, framing, and file options are supported?
Seedance 2.5 can create 4-30 second clips at 480p, 720p, or 1080p, depending on the available connection. Framing options include Auto, 21:9, 16:9, 4:3, 1:1, 3:4, and 9:16, with MP4 or MOV output. This page temporarily uses the existing 4-15 second Seedance 2.0 generator.
What can I upload for reference-led creation?
A full Seedance 2.5 workflow can accept text, images, video, and audio, with up to 30 images, 10 video clips, and 10 audio clips in one creation. Give every file one purpose, such as a face, outfit, product, location, movement, speaking voice, music cue, or visual mood.
How should I write a reliable prompt?
Write a compact scene brief in order: subject and action, setting, visual mood, scene movement, and sound. For each reference, state exactly what to copy and what to ignore. Use a short timeline for multi-shot scenes, avoid conflicting examples, and remove labels from storyboards that should not appear onscreen.
How can I improve edits and extensions?
For an edit, name the exact time and one visible or audible change. For an extension, describe what happens immediately before or after the source clip and restate the people, setting, mood, and sound that must continue. Review every result because complex contact and long extensions can still drift from the plan.
Can I use generated videos in commercial projects?
Commercial use depends on the terms that apply when you create the video and on the rights to every prompt, image, clip, voice, and audio file you supply. Use material you own or are allowed to use, avoid misleading likenesses, and review the finished result before publishing it for a client or campaign.