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Seedance 2.1 Image to Video: Image-to-Video

Animate images to video with Seedance 2.1. Enhanced temporal consistency, smarter prompt adherence, and improved motion realism at up to 1080p. Try free — pay per generation, no subscription.

Interactive model controls

Seedance 2.1 Image-to-Video converts a single still image into a high-fidelity cinematic video. This next-generation model delivers enhanced temporal consistency, improved motion realism, and smarter prompt adherence — producing smooth, coherent clips up to 1080p.

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Overview

About this model

Seedance 2.1 Image-to-Video is the next-generation upgrade to the Seedance line, transforming still images into cinematic video clips with markedly improved consistency and realism. It preserves original composition, lighting, and subject identity while generating fluid camera motion and environmental animation. Compared to v1.5, Seedance 2.1 delivers sharper temporal coherence, more accurate motion following from prompts, and higher perceptual quality at 1080p — making it the ideal choice for cinematic content, storytelling, and professional video production.

1Cinematic: Animate product images into engaging video ads with natural camera motion.
2Storytelling: Transform concept art and stills into animated video sequences for films.
3Social Media: Create eye-catching short-form video content from brand photography.
4Gaming: Animate character portraits and environment art into cinematic cutscenes.
5Marketing: Convert static visuals into dynamic hero videos for campaigns.
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Pricing & Value

Cost analysis

muapi$0.40 per generation

Pay per generation. No subscription required.

Fal.aiNot available

Seedance 2.1 is not yet available on Fal.ai.

ReplicateNot available

Seedance 2.1 is not yet available on Replicate.

** Competitor pricing is estimated based on similar model architectures and usage tiers.

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Technical Details

Configuration schema

Promptstring

Text prompt describing the video motion and style.

Default ValueAdd a slow cinematic orbit around the subject, gentle parallax depth, fog drifting naturally, sky colors shifting while preserving original lighting and mood.
Image URLstring

URL of the input image to animate into video.

Default Valuehttps://d3adwkbyhxyrtq.cloudfront.net/webassets/videomodels/seedance-v1.5-pro-i2v.jpg
Last Imagestring

Optional URL of the last frame image for first-last frame control.

Default Valuenull
Aspect RatioEnum (6 options)

Aspect ratio of the output video.

Default Value16:9
Durationint

The duration of the generated video in seconds.

Default Value5
ResolutionEnum (3 options)

Output video resolution.

Default Value720p
Generate Audioboolean

Whether to generate audio for the video.

Default Valuetrue
Camera Fixedboolean

Whether to fix the camera position.

Default Valuefalse
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Implementation Guide

Developer documentation

How to Use Seedance 2.1 Image-to-Video

  1. Prepare Your Image

    • Select a high-quality still image with a clear subject.
    • Ensure the image URL is publicly accessible.
    • Optionally provide a last_image URL to control the final frame (first-last frame mode).

  2. Write a Motion Prompt

    • Describe the desired camera movement and environmental effects.
    • Example: "Slow cinematic orbit around the subject, gentle depth parallax, fog drifting naturally, sky colors shifting."

  3. Configure Parameters

    • Set aspect_ratio to match your target format (16:9 for landscape, 9:16 for vertical).
    • Choose resolution (480p, 720p, or 1080p) based on quality requirements.
    • Set duration between 4 and 12 seconds.
    • Enable generate_audio for ambient audio synthesis.

  4. Submit and Review

    • Submit the request to seedance-2.1-i2v and poll for the result.
    • The output will contain a video URL ready to download or embed.
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Common Questions

Frequently asked

How does Seedance 2.1 differ from Seedance 1.5 Pro?

Seedance 2.1 delivers improved temporal consistency, more accurate motion from prompts, and higher perceptual quality. It handles complex scenes with better subject preservation and smoother frame transitions.

Can I control the start and end frames?

Yes. Provide both `image_url` (start frame) and `last_image` (end frame) to enable first-last frame mode, giving you precise control over the video's opening and closing compositions.

What resolution options are available?

Seedance 2.1 supports 480p, 720p, and 1080p output resolutions.

Is audio generated automatically?

Audio generation is optional. Set `generate_audio` to true to produce ambient or scene-matched audio alongside the video.