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.
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.
Cost analysis
| Provider | Cost | Notes |
|---|---|---|
| muapi | $0.40 per generation | Pay per generation. No subscription required. |
| Fal.ai | Not available | Seedance 2.1 is not yet available on Fal.ai. |
| Replicate | Not available | Seedance 2.1 is not yet available on Replicate. |
Pay per generation. No subscription required.
Seedance 2.1 is not yet available on Fal.ai.
Seedance 2.1 is not yet available on Replicate.
* Competitor pricing is estimated based on similar model architectures and usage tiers.
Configuration schema
| Parameter | Type | Description | Default |
|---|---|---|---|
| Prompt | string | Text prompt describing the video motion and style. | Add a slow cinematic orbit around the subject, gentle parallax depth, fog drifting naturally, sky colors shifting while preserving original lighting and mood. |
| Image URL | string | URL of the input image to animate into video. | https://d3adwkbyhxyrtq.cloudfront.net/webassets/videomodels/seedance-v1.5-pro-i2v.jpg |
| Last Image | string | Optional URL of the last frame image for first-last frame control. | null |
| Aspect Ratio | Enum (6 options) | Aspect ratio of the output video. | 16:9 |
| Duration | int | The duration of the generated video in seconds. | 5 |
| Resolution | Enum (3 options) | Output video resolution. | 720p |
| Generate Audio | boolean | Whether to generate audio for the video. | true |
| Camera Fixed | boolean | Whether to fix the camera position. | false |
Text prompt describing the video motion and style.
Add a slow cinematic orbit around the subject, gentle parallax depth, fog drifting naturally, sky colors shifting while preserving original lighting and mood.URL of the input image to animate into video.
https://d3adwkbyhxyrtq.cloudfront.net/webassets/videomodels/seedance-v1.5-pro-i2v.jpgOptional URL of the last frame image for first-last frame control.
nullAspect ratio of the output video.
16:9The duration of the generated video in seconds.
5Output video resolution.
720pWhether to generate audio for the video.
trueWhether to fix the camera position.
falseDeveloper documentation
Prepare Your Image
last_image URL to control the final frame (first-last frame mode).Write a Motion Prompt
Configure Parameters
aspect_ratio to match your target format (16:9 for landscape, 9:16 for vertical).resolution (480p, 720p, or 1080p) based on quality requirements.duration between 4 and 12 seconds.generate_audio for ambient audio synthesis.Submit and Review
seedance-2.1-i2v and poll for the result.Frequently asked
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.
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.
Seedance 2.1 supports 480p, 720p, and 1080p output resolutions.
Audio generation is optional. Set `generate_audio` to true to produce ambient or scene-matched audio alongside the video.