Seedance 2.5
3 modes on this page
Seedance 2.5 turns a text prompt into a video clip. Pick a mode, write the prompt, run it in the studio.
Input
FormMode
Prompt*
Aspect Ratio
Resolution
Result
PreviewMotion preview, not Seedance 2.5 output
$0.473 per second·~90s
What Seedance 2.5 is for
Seedance 2.5 from ByteDance turns a written prompt into a short video clip. Runtime is about 90 seconds and compute is $0.473 per second. Modes on this page: Reference to Video, Image to Video, and Text to Video. It is a clip generator, not a full training-video editor.
Seedance 2.5 is billed in Knowlify credits at the compute cost ($0.473 per second). A typical run is about 90 seconds. Published rate: For 720p, you will be charged roughly $0.4730 per second of generated video, and for 480p, roughly $0.2205 per second of generated video. Your request will cost $0.0214 per 1000 tokens for 480p and 720p video. The number of tokens is roughly given by (height of output video * width of output video * duration * 24) / 1024.
Pick Seedance 2.5 for text to video at $0.473 per second and ~90s. Compare it with Bytedance Image, Bytedance Omnihuman on the related cards below if you need a different look, speed, or input type.
How to use Seedance 2.5
- 1. Upload the still Seedance 2.5 should start from, then write the change or motion in Input.
- 2. Run it. The prompt and file hand off to the Knowlify studio, where Seedance 2.5 generates.
- 3. Stay in the studio if you want that frame or clip inside a longer narrated video.
What you need
- A prompt that names the subject, camera move, and lighting.
- A source still (PNG or JPG) for the model to start from.
- Aspect Ratio (auto, 21:9, 16:9, 4:3, and more).
- Resolution (480p, 720p).
- Optional toggles on this model, such as audio or quality flags.
Example prompt
a crimson sports car drifting a wet mountain switchback at dusk, tracking shot, rain, no text
Frequently asked questions
How do I run Seedance 2.5?
Run Seedance 2.5 on Knowlify at /generate/seedance-2-5. This page has 3 modes in one dropdown. Write the prompt on this page and it opens in the studio, where Seedance 2.5 generates a short clip. The same studio also turns documents into full narrated videos.
Where can I use Seedance 2.5 online?
On Knowlify (ByteDance's model, knowlify.com/generate/seedance-2-5). You do not need a separate playground. Seedance 2.5 runs in the studio next to document-to-video.
Can I make a longer video with Seedance 2.5?
Seedance 2.5 itself produces a short clip. On Knowlify you can take that output, or skip it and upload a document, and generate a full narrated video with a script you can edit.
What do I need to run Seedance 2.5?
A prompt and a source still. Seedance 2.5 will not invent the starting frame for you on this mode.
How long does Seedance 2.5 take?
Plan on about 90 seconds for a typical run, then whatever queue time the studio has. Video models sit at the high end of that range.
Does Seedance 2.5 have more than one mode?
Yes. This page has 3 modes: Reference to Video, Image to Video, and Text to Video. Switch them in the Mode dropdown instead of opening a new URL.
What does Seedance 2.5 Text to Video cost?
For 720p, you will be charged roughly $0.4730 per second of generated video, and for 480p, roughly $0.2205 per second of generated video. Your request will cost $0.0214 per 1000 tokens for 480p and 720p video. The number of tokens is roughly given by (height of output video * width of output video * duration * 24) / 1024. Knowlify charges this as credits, at the compute cost.
What is Seedance 2.5 Text to Video best for?
Dreamina Seedance 2.5 generates native 30-second single-shot video at up to 720p from a single text prompt, reasoning about the whole shot at once so motion, lighting, and subject identity stay coherent from first frame to last. It turns a text prompt into a video clip.
Do I need an account to use Seedance 2.5 Text to Video?
You need a Knowlify account to run Seedance 2.5 Text to Video, and signing up is free. Your prompt carries across.