Seedance 2.5
Seedance 2.5 is ByteDance’s video model. Give it a prompt or an image and it returns up to 30 seconds of native 4K video in one pass, with sound already in sync.
Shown at the 2026 Volcano Engine FORCE conference
- 4K
- Native 10-bit color
- 30s
- Single-shot video
- 50
- Reference inputs
- 3D
- Blockout and references
What is
What is Seedance 2.5
Seedance 2.5 is the latest video model from ByteDance, shown at the 2026 Volcano Engine FORCE conference. It turns a prompt, an image, or a stack of references into finished video, with picture and sound rendered in one pass.
Seedance 2.5 generates up to 30 seconds of native 4K in a single continuous shot, so it covers a whole scene instead of a three-second loop you cut around.
Seedance 2.5 reads up to 50 reference files at once and takes 3D blockouts from Blender and other 3D apps, so you keep tight control over a face, a product, or a layout.
Picture and audio render together in Seedance 2.5, so dialogue, effects, and music arrive aligned without a manual sync pass in post.
Seedance 2.5 runs on the Volcano Engine platform and is rolling out from an enterprise beta toward a wider public launch in 2026.
What’s new in Seedance 2.5
01 30 seconds of native 4K
Seedance 2.5 renders a full 30 seconds as one continuous shot in native 4K, about double the length of the last version. The camera move and the action hold steady the whole way, so you stop stitching short clips together.
02 Up to 50 references
Feed Seedance 2.5 as many as 50 reference files at once: images, video, audio, storyboards, character sheets. It holds a face, a product, or a style instead of drifting partway through.
03 Local re-draw editing
Change one object, swap an outfit, or relight an area and Seedance 2.5 redraws just that region. The rest of the shot stays put, so a fix is a tweak instead of a fresh roll.
Built for real production
4K output
Seedance 2.5 renders in native 4K with 10-bit color, so footage holds up on a big screen instead of falling apart under close inspection. Detail and color stay stable across the whole shot.
Steadier motion
Motion is one of the clearest wins in Seedance 2.5. Faces, hands, and backgrounds show far less flicker and warping than older models, so people stay people and lines stay straight.
Audio that fits
Seedance 2.5 renders picture and sound in one pass, so you never bolt audio on after the fact. Dialogue lands with close lip-sync, and effects and music sit under the action.
Camera moves
Ask for a push-in, a dolly, a pan, an orbit, or a slow-motion beat and Seedance 2.5 follows it. The moves read like real camera work, which makes a 30-second shot feel shot rather than generated.
Consistent characters
A face, a product, and a set of brand colors stay the same from the first frame to the last. Seedance 2.5 leans on your reference files, so a character will not quietly change outfit or hairstyle partway through.
Cuts in one render
Seedance 2.5 can handle a scene cut or a tempo shift inside a single render, so a short sequence comes out of one generation instead of a stitched timeline you assemble by hand.
Direct your shot in 3D
Seedance 2.5 adds a 3D blockout mode. Drop in a rough white model from Blender or another 3D app and Seedance 2.5 uses it to lock camera angle, staging, and composition before it renders. You plan the shot like a layout artist, then let Seedance 2.5 fill in the detail, lighting, and motion.
Create with licensed IP, and share the upside
ByteDance launched an AI copyright platform that pairs with Seedance 2.5. You can build on officially licensed film and character IP, then share in the revenue your work earns. For creators that means Seedance 2.5 is a route to publish on cleared rights instead of working in a gray area.
More Seedance 2.5 capabilities
AI Dance
Drop one photo of a person, pet, or avatar into Seedance 2.5 and it animates a full dance from a built-in routine library, without limbs bending the wrong way.
50 shot templates
Pick from 50 preset camera setups. Type one line of direction and Seedance 2.5 matches the move, from a slow push-in to a full orbit.
Better color
Color reads about 15% more accurately than the last version, and skin tones stop sliding toward odd casts. Native 10-bit output gives Seedance 2.5 room to grade.
How to make a clip with Seedance 2.5
Write a prompt or add an image
Tell Seedance 2.5 what you want in plain language, or hand it a still frame to animate. Add up to 50 references when you need tight control over a face or product.
Set length, ratio, and resolution
Pick a duration up to 30 seconds, an aspect ratio like 16:9 or 9:16, and a resolution up to native 4K. Seedance 2.5 adapts to the format you choose.
Generate picture and sound together
Seedance 2.5 renders the video and the audio in one pass, with lip-sync and effects already aligned. A 30-second shot comes back as one continuous take.
Re-draw and export
Tweak one region with local editing if you need to, then export. Seedance 2.5 keeps the rest of the shot untouched while it redraws the part you changed.
Seedance 2.5 vs Seedance 2.0
Longer takes
Seedance 2.0 topped out near 15 seconds. Seedance 2.5 doubles that to a native 30-second single shot.
More references
Seedance 2.0 took a handful of references. Seedance 2.5 reads up to 50 at once across images, video, and audio.
Sharper output
Seedance 2.0 delivered up to 2K. Seedance 2.5 outputs native 4K with 10-bit color.
Editing by region
Seedance 2.0 re-rendered the whole clip for one change. Seedance 2.5 redraws just the area you touch.
What people make with Seedance 2.5
Seedance 2.5 FAQ
What is Seedance 2.5?
Seedance 2.5 is ByteDance’s video model. Give it text, an image, or reference files and it returns up to 30 seconds of native 4K video with sound, steady characters, and real camera moves.
How long can a Seedance 2.5 clip be?
Up to 30 seconds in a single continuous shot, about twice the previous version, with no visible cuts.
How many references does Seedance 2.5 support?
Seedance 2.5 reads up to 50 reference files in one generation: images, video, audio, storyboards, and character sheets.
Does Seedance 2.5 do 4K and audio?
Yes. Seedance 2.5 outputs native 4K with 10-bit color and renders synced audio in the same pass.
Can I edit a Seedance 2.5 clip after generating it?
Yes. Local re-draw lets you change one object, outfit, or area while Seedance 2.5 keeps the rest of the shot in place.
Does Seedance 2.5 support 3D references?
It does. Seedance 2.5 takes a 3D blockout or white model from Blender and other 3D apps to set camera and staging before the render.
How is Seedance 2.5 different from Seedance 2.0?
Seedance 2.5 doubles the single-shot length to 30 seconds, takes up to 50 references, edits by region, and outputs native 4K. Seedance 2.0 came in shorter and at lower resolution.
When is Seedance 2.5 available?
Seedance 2.5 is rolling out from an enterprise beta toward a public launch targeted for July 2026.
Make your first Seedance 2.5 clip
Type a prompt or drop in an image. You get cinematic video with sound, straight from the browser.
Try Seedance 2.5