Seedance 1.5
2 modes on this page
Seedance 1.5 turns a text prompt into a video clip. Pick a mode, write the prompt, run it in the studio.
Input
FormMode
Prompt*
Image Url*
Aspect Ratio
Resolution
Duration
Result
PreviewMotion preview, not Seedance 1.5 output
$0.26 per video·~90s
What Seedance 1.5 is for
Seedance 1.5 from ByteDance turns a written prompt into a short video clip. Runtime is about 90 seconds and compute is $0.26 per video. Modes on this page: Image to Video Pro v1.5 and Text to Video Pro v1.5. It is a clip generator, not a full training-video editor.
Seedance 1.5 is billed in Knowlify credits at the compute cost ($0.26 per video). A typical run is about 90 seconds. Published rate: Each 720p 5 second video with audio costs roughly $0.26. For other resolutions, 1 million video tokens with audio costs $2.4. Without audio, the price is 1.2 per millition tokens. tokens(video) = (height x width x FPS x duration) / 1024.
Pick Seedance 1.5 for text to video at $0.26 per video 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 1.5
- 1. Upload the still Seedance 1.5 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 1.5 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 (21:9, 16:9, 4:3, 1:1, and more).
- Resolution (480p, 720p, 1080p).
- Optional toggles on this model, such as audio or quality flags.
Example prompt
a couture hat made of living orchids, studio portrait, fashion film still, anamorphic, teal and gold, no text, no watermark, slow cinematic camera move, natural motion
Frequently asked questions
How do I run Seedance 1.5?
Run Seedance 1.5 on Knowlify at /generate/seedance-1-5. This page has 2 modes in one dropdown. Write the prompt on this page and it opens in the studio, where Seedance 1.5 generates a short clip. The same studio also turns documents into full narrated videos.
Where can I use Seedance 1.5 online?
On Knowlify (ByteDance's model, knowlify.com/generate/seedance-1-5). You do not need a separate playground. Seedance 1.5 runs in the studio next to document-to-video.
Can I make a longer video with Seedance 1.5?
Seedance 1.5 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 1.5?
A prompt and a source still. Seedance 1.5 will not invent the starting frame for you on this mode.
How long does Seedance 1.5 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 1.5 have more than one mode?
Yes. This page has 2 modes: Image to Video Pro v1.5 and Text to Video Pro v1.5. Switch them in the Mode dropdown instead of opening a new URL.
What does Bytedance Seedance V1.5 Pro Text To Video cost?
Each 720p 5 second video with audio costs roughly $0.26. For other resolutions, 1 million video tokens with audio costs $2.4. Without audio, the price is 1.2 per millition tokens. tokens(video) = (height x width x FPS x duration) / 1024. Knowlify charges this as credits, at the compute cost.
What is Bytedance Seedance V1.5 Pro Text To Video best for?
Generate videos with audio with Seedance 1.5. It turns a text prompt into a video clip.
Do I need an account to use Bytedance Seedance V1.5 Pro Text To Video?
A free Knowlify account, yes. This page composes the prompt; the studio is where Bytedance Seedance V1.5 Pro Text To Video actually runs.