Vidney

AI Video Generator

Seedance 2.5

Generate AI video with Seedance 2.5: text to video, image to video, and reference to video, all from one Vidney workspace.

Vidney Workbench

28 models
0/2000
5s
5s30s
Required: 66 credits

Output

Sample

What Seedance 2.5 can control

01

Long single-take product demo

One stand mixer demonstration in a single 15 second take: the head tilts back, flour and eggs go in, the dial turns and the batter thickens until it ribbons off the whisk. Duration accepts every integer from 5 through 30 seconds, so the action resolves without a cut.

Settings
  • Text to video
  • 15s
  • 720p
Prompt

Continuous single take, 16:9, real time, no cuts. A bright Scandinavian kitchen, morning window light from the left. A matte black stand mixer with a steel bowl sits on the counter. A hand tilts the mixer head back and locks the bowl in, adds flour and two eggs, and turns the dial; the whisk starts turning. Slow push-in as the batter thickens visibly, ribbons folding on themselves. The hand stops the mixer and lifts the head; the whisk rises with batter dripping slowly; hold on the final frame. Camera stays at counter height throughout. No slow motion, no extra hands, no on-screen text.

02

Same character across three shots

A woman with silver hair and a grey coat in three connected ferry cabin shots, and she stays the same person in every one. Reference requests can add up to 30 images, 10 videos, and 10 audio files in order for even tighter control.

Settings
  • Text to video
  • 12s
  • 720p
Prompt

16:9, three connected shots inside a small ferry cabin with rain-streaked windows at night. A woman with short silver hair in a grey wool coat enters, shakes rain off her coat and sits by the window. Second shot, handheld drift, medium: she wipes fog from the glass with her sleeve and looks out at passing harbor lights. Third shot, close-up on her face: she exhales, a small smile, the cabin light flickers once. Keep her identity, coat and hair identical in every shot. No extra passengers, no text, no cuts inside a shot.

03

Water that behaves

A single sculler at dawn, tracked from the bank: blades drop in, puddles swirl, the wake fans out and the shell glides to a stop as the ripples settle. Pick 480p or 720p in the Workspace for a draft or a keeper.

Settings
  • Text to video
  • 12s
  • 720p
Prompt

Medium shot from the riverbank, 16:9, dawn on a glassy river with mist on the water. A single sculler in a white rowing shell fills the left two thirds of the frame, side on, close enough to see the hands and the oar blades. The camera tracks along the bank at the rower's speed so the rower stays in place while the far bank and trees slide past behind. Every stroke is explicit: the blades drop in with a small splash, the pull leaves two swirling puddles, water sheets off the blades as they lift, the shell surges and the wake fans out. After three strokes the rower stops, oars flat on the surface, and the shell glides on as the ripples settle and the camera eases to a halt. Cool blue light with the first orange sun on the water. No cuts, no slow motion, no other boats, no text.

What you can make with Seedance 2.5

Thirty second product demonstration

Direct one continuous countertop demonstration from product angles, a hand-motion video, and a lighting reference, then deliver a single 30 second clip instead of stitching several generations.

Reference-led character scene

Combine cast images, wardrobe plates, a location reference, and movement footage to produce a scene whose prompt assigns each source a numbered role.

Motion-matched campaign variation

Reuse one approved camera or performance video while swapping product and set images, producing several campaign cuts with a shared movement pattern.

Long-form visual insert

Generate a 16 to 30 second establishing shot, process sequence, or silent brand film insert with enough duration for the action to begin, develop, and settle.

The technology behind Seedance 2.5

How the model works, based on public documentation and sourced evidence.

Seedance 2.5 is a ByteDance and BytePlus video model whose public API access opened on August 7, 2026. Vidney opens three modes: text-to-video, image-to-video, and reference-to-video. The integrated contract accepts integer durations from 5 to 30 seconds and exposes 480p, 720p, and 1080p through the resolution parameter.

Reference mode accepts, in a set order, as many as 30 images, 10 videos, and 10 audio files. A prompt can refer to an item by its position within the corresponding media list, which lets one request combine identity, product, motion, and timing sources. In Vidney, Seedance 2.5 does not expose a native output audio track, so audio files are reference inputs rather than a promise that the rendered clip includes generated sound.

Reference video is billed on output seconds plus the seconds of reference video you supply, which is why its price differs from plain text-to-video.

ByteDance has not published a Seedance 2.5 technical report in the reviewed source set. The company's official Seedance 2.0 launch material documents the family's unified multimodal approach and support for text, image, audio, and video context, but those 2.0 architecture claims are not presented here as confirmed 2.5 architecture. The 2.5 description therefore stays at the documented API contract and labels the public technical disclosure gap.

Sources: bytedance.com

Who reaches for Seedance 2.5

Seedance 2.5 is for directors, agency teams, and performance marketers who need one request to coordinate a larger reference package or hold a shot beyond the usual short clip. Its reference mode accepts as many as 30 images, 10 videos, and 10 audio files, so a brief can carry cast looks, product angles, motion examples, and timing cues together. The prompt can address those assets by their numbered order, while the output can run from 5 to 30 seconds at 480p, 720p, or 1080p. Choose it when the cost of rebuilding continuity across several short generations is higher than directing one longer take, or when a product, character, and movement source must all inform the same result. Seedance 2.0 remains the better choice for an established workflow that does not need the larger reference allowance or a 30 second output, especially when its existing prompts and approvals already work. MiniMax H3 is the closer alternative for a shorter clip that needs native 2K and synchronized sound. Do not choose Seedance 2.5 when native audio in the delivered clip is mandatory, when the brief fits a simpler text or single image workflow, or when a shorter proven model can satisfy the shot with fewer inputs.

How to generate video with Seedance 2.5

Create AI video with Seedance 2.5 on Vidney in three steps.

Glowing panels with one model selected from severalStreams of light forming into an emerging imageA finished image materializing from a vortex of glowing light

Seedance 2.5 vs Vidu Q4 Preview vs Grok Imagine Video 1.5 vs Grok Imagine Video 1.5 Lite

Specs side by side with similar models, all runnable on Vidney.

Seedance 2.5Vidu Q4 PreviewGrok Imagine Video 1.5Grok Imagine Video 1.5 Lite
Task modesText to Video · Image to Video · Reference to VideoImage to Video · Reference to VideoText to Video · Image to Video · Reference to VideoText to Video · Image to Video
Duration5–30 seconds3–16 seconds1–15 seconds1–15 seconds
Resolution480p · 720p540p · 720p · 1080p · 2K · 4K480p · 720p · 1080p480p · 720p · 1080p (upscaled from 720p)
AudioNo audio trackSupportedIncluded, always onIncluded, always on
Cost63–66 credits per generation159 credits per generation18 credits per generation18 credits per generation

What creators say about Seedance 2.5

Recurring themes from public reviews, comparisons and creator write-ups. Both the good and the bad.

What gets praised

  • One creator who assembled a 4 minute 49 second Reddit themed movie reported better characters, lighting, and prompt adherence than Seedance 2.0, and said the larger reference set plus 30 second limit reduced rerolls.

  • Another tester supplied a loose set of unrelated images and reported that Seedance 2.5 arranged them into a partly coherent 30 second sequence using numbered image references.

Common complaints

  • Several early users report strict face and content filters rejecting generated or non-copyright reference material, with reference-to-video failures varying by access platform.

  • A separate user comparison complains that longer output did not preserve character sheets reliably, citing blurry results, identity changes, and unwanted voice traits even with clear image and audio references.

Related models

More AI video models you can run on Vidney.

DoubaoSeedance 2.0
Live

Generate AI video with Seedance 2.0: text to video and image to video, all from one Vidney workspace.

90–113 credits per generation
DoubaoSeedance 1.5 Pro
Live

Generate AI video with Seedance 1.5 Pro: text to video and image to video, all from one Vidney workspace.

10–19 credits per generation
HailuoMiniMax H3
Live

Generate AI video with MiniMax H3: text to video, image to video, and reference to video, all from one Vidney workspace.

39–45 credits per generation
QwenWan 3.0
Live

Up to 30 seconds in one pass, sound included: write the scene, animate a start frame, or cast it from reference images.

90 credits per generation
GeminiGemini Omni 1.1 Flash
Live

Three ways into a shot, and the sound arrives in the same pass as the picture.

84 credits per generation
KlingKling 3.0
Live

Generate AI video with Kling 3.0: text to video and image to video, all from one Vidney workspace.

105 credits per generation

Frequently asked questions

What is Seedance 2.5?

Seedance 2.5 is an AI video model you can run on Vidney. It supports text to video, image to video, and reference to video from a single workspace.

How much does Seedance 2.5 cost per generation?

Seedance 2.5 costs 63–66 credits per generation. The exact credit cost is shown on the generate button before you run it. That is about $1.89–$1.98 per run at the Starter plan rate ($0.03 per credit).

What aspect ratios does Seedance 2.5 support?

Seedance 2.5 supports the following aspect ratios: 21:9, 1:1, 4:3, 3:4, 16:9, 9:16.

How long can Seedance 2.5 videos be?

Seedance 2.5 generates clips of 5–30 seconds.

Does Seedance 2.5 generate audio?

No. Seedance 2.5 generates video without an audio track.

Is Seedance 2.5 free to use?

Not with sign-up credits alone. New accounts get 10 to 30 free credits, and Seedance 2.5 costs 63–66 credits per generation, so running it needs a plan. You can spend the free credits on lower-cost models first; the exact cost is always shown on the generate button before you spend a credit.

Can I use Seedance 2.5 videos commercially?

Yes. The videos you generate with Seedance 2.5 on Vidney are yours to use in commercial projects: ads, social posts, client work, and product content. You keep the output; Vidney only handles generation and storage.

Does Seedance 2.5 add a watermark?

Only on the free plan. Free-plan downloads carry a small Vidney watermark; on any paid plan, Seedance 2.5 videos download clean, ready to publish or hand to a client. Upgrading also removes the watermark from videos you already made.

What are the best Seedance 2.5 alternatives?

The closest Seedance 2.5 alternatives on Vidney are Vidu Q4 Preview, Grok Imagine Video 1.5, and Grok Imagine Video 1.5 Lite. They all run in the same workspace from one credit balance, so you can run the same prompt on each and compare the results side by side.

Do I need an API key or a provider account to use Seedance 2.5?

No. Vidney runs Seedance 2.5 for you, so there are no API keys to manage and no separate provider account to set up.

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