What Is Seedance 2.5? ByteDance's 4K AI Video Model | PonPon
June 24, 2026 · PonPon Team
What is Seedance 2.5?
ByteDance unveiled Seedance 2.5 at Volcano Engine 2026 — native 4K, single-pass 30-second clips, and up to 50 reference inputs. Here's what's new, when it ships, and how to make Seedance video today.
Seedance 2.5 is ByteDance's next-generation AI video model, unveiled at Volcano Engine 2026. Over , its headline upgrades are native 4K output, single-pass 30-second clips, and up to 50 reference inputs at once — with an early-July-2026 launch via Volcano Engine.
This page covers what Seedance 2.5 actually is, what's new, when it ships, how it stacks up against Kling, Veo, and Sora, and how to start making Seedance video today while you wait.
Note
Seedance 2.5 isn't generatable on PonPon yet — it launches via Volcano Engine in early July 2026. You can make Seedance video right now with Seedance 2.0, and PonPon adds new Seedance versions as they ship.
Seedance 2.5 at a glance
Capability
Seedance 2.5
Seedance 2.0
Resolution
Native 4K
Up to 720p
Clip length
30s in a single pass
Short clips, chained
Reference inputs
Related blog posts
Up to 50 at once
Fewer
Editing
Region-level, no full re-render
Full re-render
3D blockout input
Yes (白模)
No
Prompt adherence
~20% better
Baseline
Availability
Early July 2026
Live now on PonPon
In short, 2.5 is a resolution, length, and control upgrade — the same Seedance DNA of fast, direction-friendly generation, pushed toward production-grade output.
What's new in Seedance 2.5 versus Seedance 2.0
ByteDance highlighted six upgrades at the reveal. Here's what each one means in practice.
Native 4K output
Seedance 2.5 renders in native 4K, a clear jump from the 720p ceiling of the previous generation. That means sharper detail for hero shots, large screens, and client deliverables where upscaled 720p never quite held up.
Single-pass 30-second clips
ByteDance demoed a full 30-second generation with no stitching or visible seams. Longer narrative beats come out of one generation instead of chaining short clips and fighting continuity between them — a real workflow change for ads, trailers, and explainers.
Up to 50 reference inputs
You can feed the model as many as 50 references at once — images, audio, style frames, even 3D white models — and it weighs all of them to steer style, motion, and composition. For anyone who needs a consistent character or product across shots, this is the headline feature.
Localized, region-level editing
Change one region of a clip without regenerating the whole thing. A single tweak — swap a sign, fix a hand — no longer costs a full re-render, which is where most iteration time goes today.
3D blockout (白模) input
Pre-stage camera and composition with 3D white-model input. Directors get tighter control over framing and motion before the final frame renders, instead of rerolling prompts and hoping the camera lands where they wanted.
~20% better prompt adherence
ByteDance reports roughly 20% improved prompt accuracy over the prior generation, so you reach a usable take in fewer attempts — which, on a paid model, is the metric that actually matters.
When does Seedance 2.5 launch?
ByteDance has announced an early-July-2026 launch through its Volcano Engine platform. Pricing and regional availability haven't been published yet; we'll update this page as details land. In the meantime, Seedance 2.0 and Seedance 2.0 Fast are live on PonPon now.
Seedance 2.5 vs Kling, Veo, and Sora
Seedance's pitch is speed plus control, and 2.5 leans into 4K, long single-pass clips, and heavy reference conditioning. The other frontier models lead on different axes — Kling 3.0 and Veo 3.1 on cinematic camera control, Sora 2 on multi-shot cohesion. For the full side-by-side, read our Seedance 2.5 vs Veo 3, Sora and Kling comparison.
How to make Seedance video today
You don't need to wait for 2.5 to begin. Open the video generator, pick Seedance 2.0, write a prompt describing the motion, mood, and subject, and generate — most clips return in under a minute. Our guide to using Seedance walks through settings and references step by step, and the same workflow carries straight over when 2.5 ships.
Tip
Bookmark the Seedance 2.5 model page — PonPon adds new Seedance versions as they launch, so 2.5 will appear there the moment it's live.
FAQ
Questions & answers
What is Seedance 2.5?
Seedance 2.5 is ByteDance's next-generation AI video model, unveiled at Volcano Engine 2026. Its headline upgrades over Seedance 2.0 are native 4K output, single-pass 30-second clips, up to 50 simultaneous reference inputs, region-level localized editing, 3D blockout input, and roughly 20% better prompt accuracy.
When is Seedance 2.5 released?
ByteDance has announced an early-July-2026 launch via its Volcano Engine platform. Until it ships, you can generate Seedance video on PonPon today with the live Seedance 2.0 model.
What's new in Seedance 2.5 vs Seedance 2.0?
The biggest jumps are resolution (native 4K vs 720p), clip length (a single-pass 30-second clip vs short chained clips), and control: up to 50 reference inputs, region-level editing, and 3D white-model (白模) blockout, plus ~20% better prompt adherence.
Is Seedance 2.5 available on PonPon yet?
Not yet — Seedance 2.5 launches via Volcano Engine in early July 2026. PonPon already hosts Seedance 2.0 and Seedance 2.0 Fast on its subscription plans, and adds new Seedance versions as they become available.
Is Seedance 2.5 free?
ByteDance hasn't published Seedance 2.5 pricing yet, and there's no separate Seedance 2.5 free tier announced. On PonPon, Seedance runs on a , so you can start making Seedance video now while 2.5 rolls out.
Does Seedance 2.5 have an API?
ByteDance will expose Seedance 2.5 through the Volcano Engine platform. For how Seedance API access works today and what to expect, see our .
