All models

ByteDanceVideo

Seedance 2.5

Cinematic long takes with sound, from text, a still image or a set of references.

video/seedance-2.5

A bolt of violet lightning strikes the raised pendant in the first instant. Ribbons of blue light spiral around her as the camera orbits a full 360 degrees; the hoodie dissolves and sleek white and cobalt armor plates form from liquid light and lock into place piece by piece, slowing into slow motion as the chest plate seals, then snapping back to full speed as a long cobalt cape snaps open in the storm wind and a sword of blue light ignites in her hand; the camera ends on a low-angle push-in to her heroic pose against the lightning. Fluid high-end anime transformation, rain everywhere. One continuous shot, no cuts, consistent character and world, correct anatomy and hands, no text, no letters, no logos, no captions.

Price
from 46.2 credits / second
Makes
Text to video, Image to video, Reference to video
Clip length
4 to 15 s

Best for

Seedance 2.5 is ByteDance's cinematic video model. It holds long single takes with big physical motion and synchronized sound, and it can build a shot from several reference images or clips. It may refuse realistic faces, so it shines on stylized worlds, products and creatures.

  • Hero shots for a trailer with sweeping camera moves.
  • Product and item orbits for a store page.
  • Building one shot from your concept art and a motion reference.

Put it together

Where Seedance 2.5 fits in a game, with the models it works well with. Your agent runs every step.

Price

ModeModelPrice
Text to videoSeedance 2.5~46.2 credits / second
Image to videoSeedance 2.5~46.5 credits / second
Reference to videoSeedance 2.5 References~46.2 credits / second

Paid from your Summer credits; ~ marks a typical estimate for token-priced output.

Use it from code or your agent

Sign in once with summer login. Your agent or your code then runs it with your paid credits.

npx -y summer-engine@latest login
npx -y summer-engine@latest api run video/seedance-2.5 \
  --input '{"prompt":"a dragon circling a castle at dawn","duration":5}' \
  --download .

video/seedance-2.5: about $0.4622 per second of video. Paid from your Summer credits.

Inputs

What input takes for video/seedance-2.5. Send only what you need; Summer fills in tested defaults.

  • promptstringup to 4000 characters

    What happens in the clip. Needed without imageUrl.

  • imageUrlstringup to 2048 characters

    A public image URL to animate (image to video).

  • endImageUrlstringup to 2048 characters

    With imageUrl: the last frame. The same image as imageUrl makes a seamless loop. Models with an end frame: Seedance, Kling 3, Wan, Vidu, LTX 2.5, Luma, MiniMax.

  • referenceImageUrlsarray of string1 to 10 items

    Reference to video: public images of the characters, props or style to keep (with a reference model, e.g. kling-4-ref). Motion transfer: the character to move.

  • videoUrlstringup to 2048 characters

    An input clip (public URL, at most 20 s): restyle or reframe it, move a character with its motion, or add sound to it (e.g. kling-video-to-audio). Billed on the clip's length.

  • durationintegerDefault 5 · 1 to 20

    Seconds; the model renders its nearest supported length.

  • aspectRatioenumDefault 16:9
    • 16:9
    • 9:16
    • 1:1
    • 4:3
    • 3:4
    • 21:9
    • 3:2
    • 2:3
    • auto
  • negativePromptstringup to 1000 characters

    What the clip must not show.

  • resolutionenum

    Only a quality the model offers; leave out for its default.

    • 720p
    • 1080p
    • 4k
    • 480p
    • 768p
    • 2k
    • 768P
    • 1080P
    • 480P

Model docs · Summer API docs · Set up the Summer MCP server · Try it in the browser

Questions

What is Seedance 2.5 good for in game development?
Seedance 2.5 is ByteDance's cinematic video model. It holds long single takes with big physical motion and synchronized sound, and it can build a shot from several reference images or clips. It may refuse realistic faces, so it shines on stylized worlds, products and creatures. Typical game uses: hero shots for a trailer with sweeping camera moves; product and item orbits for a store page; building one shot from your concept art and a motion reference.
How much does Seedance 2.5 cost in Summer?
In Summer Studio: Seedance 2.5 (text to video): ~46.2 credits / second; Seedance 2.5 (image to video): ~46.5 credits / second; Seedance 2.5 References (reference to video): ~46.2 credits / second. Prices marked ~ are typical estimates because the provider bills by tokens or output size. It is charged from your Summer credits.
What can Seedance 2.5 generate, and how long are the clips?
In Summer, Seedance 2.5 supports text to video, image to video, and reference to video. Generated clips run 4, 5, 6, 8, 10, and 15 seconds, in 16:9, 9:16, 1:1, 4:3, 3:4, and 21:9 aspect ratios at 720p and 1080p.
Can I use Seedance 2.5 from Claude Code, Cursor or Codex?
Yes. Connect the Summer MCP server to Claude Code, Cursor, Codex or another MCP client, then ask your agent to generate with summer_generate_video with model: "seedance-2.5". Setup instructions are at summerengine.com/mcp.
Where do Seedance 2.5 results go?
Every generation is saved to your Summer asset library. From there you can download it or bring it into a Summer Engine project.