> ## Documentation Index
> Fetch the complete documentation index at: https://docs.imagine.art/llms.txt
> Use this file to discover all available pages before exploring further.

# Seedance 2 5

## Seedance 2.5

ByteDance's newest video model — now the default in the Video tool's model picker, live alongside [Seedance 2](/ai-models/video/seedance-2) (both exist simultaneously; this isn't a replacement). It has the longest duration ceiling in the whole Seedance lineup.

## Specifications

| Feature           | Details         |
| ----------------- | --------------- |
| **Developer**     | ByteDance       |
| **Resolution**    | 480p–1080p      |
| **Duration**      | 4–30 seconds    |
| **Audio**         | Yes             |
| **Frame control** | Start/End frame |

<Note>
  Credit cost fluctuated between checks during a live "Unlimited Seedance 2.5" promotional period — treat any specific credit number as temporary, not a stable spec.
</Note>

## How to use

<Steps>
  <Step title="Open the AI Video Generator">
    Go to the **ImagineArt AI Video Generator**.
  </Step>

  <Step title="Select the model">
    From the model dropdown, choose **Seedance 2.5**.
  </Step>

  <Step title="Generate">
    Write your prompt (and optionally set start/end frames) and generate as normal.
  </Step>
</Steps>

## Seedance family comparison

| Model                                               | Resolution | Duration | Audio |
| --------------------------------------------------- | ---------- | -------- | ----- |
| **Seedance 2.5**                                    | 480p–1080p | 4–30s    | Yes   |
| [Seedance 2](/ai-models/video/seedance-2)           | 720p–1080p | 4–15s    | Yes   |
| [Seedance 2 Fast](/ai-models/video/seedance-2-fast) | 720p       | 4–15s    | Yes   |
| Seedance 2.0 Mini                                   | 480p–720p  | 5–15s    | Yes   |