Seedance 2.5 Resolution: The API Maxes Out at 720p (Here's What You Actually Get)

Seedance 2.5 is marketed as a "native 4K" video generator across a dozen platforms. It's not. The API offers two resolution options: 480p and 720p. That's it. No 1080p, no 4K, no 60fps.

This isn't a rumor or a guess. Six independent API providers — each with their own documentation — confirm the same thing. This guide walks through the evidence, explains where the 4K claim comes from, and tells you what to do if you actually need higher resolution output.

What resolution does Seedance 2.5 actually output?

Here's what every API endpoint exposes when you check the resolution parameter:

Specification	Actual Value
Resolution options	480p or 720p
Frame rate	24 fps (hardcoded in the token formula)
Max duration	4–30 seconds per generation
Extensions	Up to 2 additional passes

There is no 1080p tier. There is no 4K tier. The resolution enum accepts two values and rejects everything else.

Six API providers, same answer

This isn't based on one source. Every major platform hosting Seedance 2.5 documents the same limitation:

fal.ai — The official schema for both text-to-video and reference-to-video endpoints lists resolution as an enum with two values: "480p" and "720p".

Replicate — Seedance 2.5 on Replicate shows duration 4–30s or -1 for auto. No resolution option above 720p.

EvoLink — Their pricing table has exactly two columns: 480p and 720p. No higher tier exists.

Volcano Engine (火山引擎) — ByteDance's own infrastructure prices Seedance at ¥1.51/second for 720p and ¥0.67/second for 480p. No other resolution tiers are listed.

CometAPI — Publishes an explicit warning: "Do not create a 1080p or 4K production budget until those tiers and their endpoint availability are documented."

Apiframe — The most direct of all: "ByteDance's original announcement promised native 4K output, but what actually shipped tops out at 720p."

Where the 4K claim comes from

ByteDance's original announcement for Seedance 2.5 promised native 4K output. The model that actually shipped does not deliver it.

If you visit the official Seedance technical page today, you'll notice something: it doesn't mention resolution at all. The spec that was once the headline feature has been quietly removed from the copy.

But the claim didn't die — it spread. Third-party platforms picked it up from the original announcement and never verified it against the API.

Who's still selling "native 4K"

Higgsfield still writes "native 4K" and "Built for 4K, made for everything" on their Seedance 2.5 page. They're reselling the same 720p API.

AtlasCloud claims "Seedance 2.0 Baseline: 1080p HD/4k | Seedance 2.5 Upgrade: Native 4K." Their own pricing guide elsewhere admitted ByteDance hadn't published official pricing — yet they listed 4K as a confirmed spec.

seedance.tv — In a comparison table on one of their guides, they list Seedance 2.5's max resolution as "4K." Same API, same 720p.

These aren't edge cases. This is the majority of the search results for "seedance 4k."

The resolution actually went backward

This is the part that surprises most people: earlier Seedance versions supported higher resolution than 2.5 does.

Version	Max Resolution
Seedance 1.0	1080p
Seedance 1.5 Pro	1080p
Seedance 2.0	720p
Seedance 2.5	720p

The 2.x generation traded resolution for other capabilities — 30-second one-take generation, native audio synthesis, up to 50 reference inputs, and multi-round extensions. Whether that tradeoff is worth it depends on your use case, but the resolution itself is a downgrade from 1.x.

What about Dreamina's "4K" videos?

CapCut's Dreamina platform (the consumer-facing app for Seedance) does advertise 4K output, 60fps, and 180-second videos. These are real features — but they're not model capabilities. They're post-processing:

4K: The model generates at 720p (or lower). Dreamina applies an upscaling pass after generation.
60fps: Frame interpolation, not native rendering. The model outputs at 24fps.
180 seconds: A beta long-video mode that stitches multiple generation passes, not a single continuous output.

The distinction matters because you're paying consumer-tier pricing for model output plus post-processing, and the quality of upscaled 720p is not the same as native 4K. If you have API access, you can apply the same upscaling yourself for less.

How to actually get 4K from Seedance output

If your project requires 4K delivery, the workflow is: generate at 720p through the API, then upscale. Here are the current options:

Topaz Video AI — Desktop application. Multiple upscaling models including a "creative" mode that adds detail. Also offers frame interpolation to 60fps. The most established option for professional workflows. Available at topazlabs.com.

Magnific Video Upscaler — Currently in beta. Can upscale to 1K, 2K, or 4K. Works specifically with AI-generated video. As No Film School noted, results can have issues with colors and faces, but the technology is improving rapidly.

Media.io / HitPaw / Vmake — Online tools that offer one-click 4K upscaling. More convenient than desktop apps, but typically with less control over the output quality.

FFmpeg + Real-ESRGAN — Free, open-source option. Extract frames, upscale each with Real-ESRGAN, reassemble. More manual work, but zero cost and full control.

The quality gap between upscaled 720p and true native 4K is real, especially in fine detail and text rendering. But for most video content — social media, marketing, product demos — upscaled 720p is indistinguishable from native 4K to viewers.

How resolution affects your costs

Resolution directly impacts Seedance 2.5's token-based pricing. The token formula is:

tokens = (output_height × output_width × (input_video_duration + output_duration) × 24) / 1024

In practice, this means 720p costs roughly 2.25x more per second than 480p:

Resolution	Dimensions	Cost per second (EvoLink)	Cost per second (Volcano Engine)
480p	854 x 480	$0.130/s	¥0.67/s
720p	1280 x 720	$0.293/s	¥1.51/s

For a 10-second clip at 720p, you're looking at roughly $2.93 per generation. At 480p, $1.30.

If your final deliverable will be upscaled to 4K anyway, generating at 480p and upscaling is a viable strategy for draft iterations — then generating the final version at 720p for the best source quality before upscaling.

How to verify this yourself

You don't have to take anyone's word for it. Pick any API provider hosting Seedance 2.5, open their schema documentation, and look at the resolution parameter. It's an enum. It has two values. That's the answer.

If you're already integrated with the API, try passing resolution: "1080p" or resolution: "4k" in your request body. The API will reject it.

Last updated: August 2026. If ByteDance ships a resolution upgrade, we'll update this page. Based on the current API and six independent vendor confirmations, 720p remains the maximum.