ByteDance · Seedance 2.5 · June 2026
Coming soonSeedance 2.5 is the video generation model ByteDance announced in June 2026 at Volcano Engine's FORCE conference. It's built for finished units that can't be pieced together from short clips: ad segments, short-drama beats, product demos. ByteDance positions native single-pass output of about 30 seconds, plus a higher multimodal reference limit, as the biggest changes to check first versus Seedance 2.0; localized region editing also makes late-stage touch-ups easier. Select Seedance 2.5 in the iMini video workspace to use it.
ByteDance positions this as end-to-end single-pass generation of about 30 seconds. Lets you hand a complete ad segment or short-drama beat to a single inference pass, cutting the seams and color-tone jumps that come from stitching shorter clips together.
Image, video, and audio references can jointly constrain character, product, and style; ByteDance cites a cap of about 50. For brand films that need the same subject locked across cuts, it pays to stack up references before generating.
Built for delivering a whole beat in one go: lighting, wardrobe, props, and camera logic all advance through the same generation chain over a longer timeline, with fewer jumps or character drift in the back half.
Release materials emphasize finer localized edits. When a finished clip only needs a subject or region changed, you don't have to rerun the whole pass — shortening the rework loop.
Duration, reference limits, and controllable editing — the biggest changes to check before moving from 2.0 to 2.5.
You can generate a fairly complete narrative unit in one pass, cutting reliance on stitching together ten-second-class clips — better suited to ad segments and short-drama beats.
The full-modality multi-reference cap is raised to about 50 per ByteDance's own claim, making it easier to lock characters and products across longer passages and reuse brand assets.
Better suited to changing a region rather than redoing the whole clip. Small touch-ups to a subject or area late in production are less costly, and you pay less for one small change.
Seedance 2.0's native 4K upgrade, announced at the same event, is a different spec line from 2.5's duration and reference selling points. Match your delivery needs to the right line instead of treating them as one capability card.
All three are leading current-generation video models. The differences come down to clip length, reference control, motion performance, and which product stack you already use.
| Dimension | Seedance 2.5 | Kling 3.0 | Google Veo 3.1 |
|---|---|---|---|
| Clip length | ~30s native single-pass | Common cap around ~15s | Common ~4–8s tier, extendable |
| Resolution | HD tiers available (see workspace) | Common 1080p / higher tiers available | Up to 4K (by tier) |
| Native audio | See current workspace capability | Strong multilingual dialogue & lip sync | Native audio-visual sync is a core selling point |
| Multimodal refs | Full-modality, multi-reference (official ~50) | Image / video refs, weighted toward motion & character | Image refs + extend / first-last-frame control |
| Motion & physics | Prioritizes consistency over longer passages | Strong complex-body and action performance | Strong cinematic look and prompt adherence |
| Prefer when | Generating a full ad segment / short-drama beat in one pass | Action scenes, camera work, and character motion come first | Cinematic shorts, native A/V, on the Google stack |
You need a longer single pass, multiple references to lock a character or product, and want to generate a full ad segment or short-drama beat in one go.
Delivery depends more on complex body motion, action scenes, or stronger multilingual dialogue.
You care more about cinematic look and native audio-visual sync, or your workflow is already tied to the Google ecosystem.
Three steps from opening the workspace to exporting a finished clip.
Go to iMini video creation and select Seedance 2.5 from the model list.
Describe the shot, subject, motion, and intended duration clearly; if you need to lock a character or product, gather reference material first.
Export once subject and pacing hit the mark. If duration or consistency falls short, revise the prompt and references before regenerating.
Quotas, specs, migration, and model selection.
~30-second single-pass clips, full-modality multi-reference subject lock. Open the video workspace to use it — no separate vendor API key needed.
No separate vendor API key needed.
