Animate one required start frame and an optional end frame. Seedance 2.5 uses Auto aspect ratio for this mode.

Model
0/5000

Upload Image

PNG, JPEG, or WebP, up to 100MB.

Optional ending image. The same file limits apply.

5s
4s30s

Audio will be generated with video

Privacy Mode
Credits required: 165
33 credits/s × 5s = 165 credits

Neon Alley at Blue Hour

A cinematic tracking shot through a rain-soaked neon alley at blue hour, a red paper umbrella moving through reflected light, natural footsteps and distant city ambience, smooth camera motion, realistic physics.

Seedance 2.5 on Flux Context

Seedance 2.5 AI Video Generator

Create longer AI videos from a prompt, guide motion with start and end frames, or combine image, video, and audio references in one omni workflow.

4-30 seconds480p / 720pThree creation modesOptional sound

Seedance 2.5 Core Capabilities

Move from a simple prompt to precise frame guidance or multi-modal references without leaving the generator.

Text-to-Video Creation

Turn a written scene into a Seedance 2.5 clip with duration, resolution, aspect ratio, and sound controls.

  • 4-30 second output duration
  • 480p and 720p resolution options
  • Optional generated sound

Use this mode for concepts, cinematic shots, ads, and social clips.

Start and End Frame Guidance

Animate a required start image and optionally guide the transition toward a final frame.

  • Required start frame with an optional end frame
  • Automatic aspect ratio from the source frame
  • Prompt-guided motion between frames

This mode is useful when the opening composition or destination frame matters.

Omni Reference Workflow

Combine visual and audio references so the prompt can direct style, subjects, motion, and sound.

  • Up to 30 reference images
  • Up to 10 reference videos and 10 audio files
  • Audio-only reference input is supported

Each video or audio file must be 2-30 seconds, with separate 30-second totals for video and audio.

Video With Sound

Generate a visual sequence with sound enabled, or switch sound off when you only need the video track.

  • Sound control before generation
  • Audio references in omni mode
  • Recoverable generation tasks and creation history

The estimated credit total is shown before you submit.

Seedance 2.5 Video Showcase

Watch real Seedance 2.5 outputs and review the prompts and settings behind them.

Neon Alley at Blue Hour

A cinematic tracking shot through a rain-soaked neon alley at blue hour, a red paper umbrella moving through reflected light, natural footsteps and distant city ambience, smooth camera motion, realistic physics.

Mode: Text to VideoResolution: 720pDuration: 4s

Seedance 2.5 at a Glance

Up to 30 seconds

480p and 720p

Omni references

Audio references

Frequently Asked Questions About Seedance 2.5

What is Seedance 2.5?

Seedance 2.5 is an AI video model available on Flux Context for text-to-video, start-and-end-frame animation, and omni-reference generation with images, videos, or audio.

How long can a Seedance 2.5 video be?

The generator supports output durations from 4 to 30 seconds. You choose the duration before submitting the task.

Which resolutions does Seedance 2.5 support?

Seedance 2.5 supports 480p and 720p output in this generator. 1080p is not offered for this model.

What can I upload in omni-reference mode?

You can add up to 30 images, 10 videos, and 10 audio files. Each video and audio file must be 2-30 seconds long; video and audio each have their own 30-second total limit.

Can I use Seedance 2.5 with only an audio reference?

Yes. Omni-reference mode accepts audio-only reference input, so an image or video reference is not required when audio is supplied.

Will I lose a generation if I refresh the page?

Active tasks can be resumed, and completed outputs remain available from My Creations when the task is saved to your account.

Create Your First Seedance 2.5 Video

Choose a generation mode, set a 4-30 second duration, and preview the credit total before you submit.