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Bytedance modelsvideo generation api

bytedance/seedance/1.5/pro/image-to-video

ByteDance Seedance v1.5 Pro image-to-video model transforming still images into cinematic video with native audio generation, camera control, and professional-grade output quality.

Input
The text prompt to generate a video from.

PNG, JPEG, WebP, or GIF · 20 MiB maximum

The URL of the starting image for video generation.

PNG, JPEG, WebP, or GIF · 20 MiB maximum

The URL of the ending image for video generation.
Duration of the video in seconds. Allowed values: 4, 5, 6, 7, 8, 9, 10, 11, 12.
The aspect ratio of the generated video. Allowed values: 21:9, 16:9, 4:3, 1:1, 3:4, 9:16.
The resolution of the video to generate. Allowed values: 480p, 720p, 1080p.
Whether to fix the camera position.
Whether to generate audio for the video.
The random seed used for generation.
Idle

Example output — click Run to generate your own

API README

Bytedance Seedance 1.5 Pro Image To Video

Bytedance Seedance 1.5 Pro Image To Video is built for image-led video generation with optional synchronized sound and multiple delivery resolutions. It gives creative and production teams a focused way to move from an approved brief or source asset to a reviewable result without fragmenting the job across unrelated tools. The model is most valuable when visual intent, brand suitability, and downstream usability all matter, because its output can enter an editorial, campaign, product, or content pipeline as a purposeful asset rather than an isolated experiment.

In practice, teams can use Bytedance Seedance 1.5 Pro Image To Video during a structured cycle of briefing, generation, comparison, and refinement. Establish the subject, audience, visual objective, and acceptance criteria first; prepare any reference media at suitable quality; then evaluate alternatives for composition, continuity, realism, and communication value before delivery. This workflow keeps creative judgment central while making repeated production easier to review, reproduce, and scale for the specific bytedance/seedance/1.5/pro/image-to-video task.

Highlights

Reference-faithful animation. Reference-faithful animation gives bytedance › seedance › 1.5 › pro › image to video a recognizable technical advantage: reviewers can assess this property directly in the generated asset instead of inferring it from request mechanics.

Synchronized audio generation. bytedance › seedance › 1.5 › pro › image to video applies synchronized audio generation to the visual or temporal result itself, helping artists make a meaningful quality decision during selection and refinement.

Natural physics and motion. For bytedance › seedance › 1.5 › pro › image to video, natural physics and motion supports coherent assets across the intended creative workflow and distinguishes this capability from a simple format or delivery option.

Resolution-scalable output. The practical value of resolution-scalable output is visible in the finished media from bytedance › seedance › 1.5 › pro › image to video, where it supports repeatable art direction rather than merely exposing another request setting.

Pricing

DurationResolutionAudioPrice
4s480pOff$0.048000
4s480pOn$0.096000
4s720pOff$0.104000
4s720pOn$0.208000
4s1080pOff$0.240000
4s1080pOn$0.480000
5s480pOff$0.060000
5s480pOn$0.120000
5s720pOff$0.130000
5s720pOn$0.260000
5s1080pOff$0.300000
5s1080pOn$0.600000
6s480pOff$0.072000
6s480pOn$0.144000
6s720pOff$0.156000
6s720pOn$0.312000
6s1080pOff$0.360000
6s1080pOn$0.720000
7s480pOff$0.084000
7s480pOn$0.168000
7s720pOff$0.182000
7s720pOn$0.364000
7s1080pOff$0.420000
7s1080pOn$0.840000
8s480pOff$0.096000
8s480pOn$0.192000
8s720pOff$0.208000
8s720pOn$0.416000
8s1080pOff$0.480000
8s1080pOn$0.960000
9s480pOff$0.108000
9s480pOn$0.216000
9s720pOff$0.234000
9s720pOn$0.468000
9s1080pOff$0.540000
9s1080pOn$1.080000
10s480pOff$0.120000
10s480pOn$0.240000
10s720pOff$0.260000
10s720pOn$0.520000
10s1080pOff$0.600000
10s1080pOn$1.200000
11s480pOff$0.132000
11s480pOn$0.264000
11s720pOff$0.286000
11s720pOn$0.572000
11s1080pOff$0.660000
11s1080pOn$1.320000
12s480pOff$0.144000
12s480pOn$0.288000
12s720pOff$0.312000
12s720pOn$0.624000
12s1080pOff$0.720000
12s1080pOn$1.440000

When to Use

✅ Good fit❌ Consider alternatives
Use it when image-led video generation with optional synchronized sound and multiple delivery resolutions is the central production goalChoose a different model when the required media task is fundamentally different
The team needs several reviewable creative alternativesExact deterministic reproduction is mandatory
Visual quality and practical downstream use both matterEditable source layers or native project files are required
A managed generation step fits the delivery workflowA live frame-by-frame interactive editor is essential
The documented inputs cover the available source assetsRequired source media or controls fall outside the documented fields

Prompt Guide

State the intended result first, then describe the subject, environment, action, visual treatment, and delivery constraints. Keep instructions concrete, avoid conflicting directions, and change one creative variable at a time when comparing outputs. For source-driven work, describe what should remain recognizable as clearly as what should change.

{
  "image": "https://p9-arcosite.byteimg.com/tos-cn-i-goo7wpa0wc/a28ec84ff9fc4287a0d98191020a3218~tplv-goo7wpa0wc-image.image",
  "prompt": "A girl holding a fox, the girl opens her eyes and gently looks at the camera, the fox is held gently, the camera slowly pulls back, the girl's hair is blown by the wind, and the sound of the wind can be heard.",
  "duration": 5,
  "resolution": "720p",
  "generate_audio": true
}

Technical Specs

PropertyDetails
seedType / options: integer<br>Required: No<br>Description: The random seed used for generation.
imageType / options: string<br>Required: Yes<br>Description: The URL of the starting image for video generation.
promptType / options: string<br>Required: Yes<br>Description: The text prompt to generate a video from.
durationType / options: integer · 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12<br>Required: No<br>Description: Duration of the video in seconds.
end_imageType / options: string<br>Required: No<br>Description: The URL of the ending image for video generation.
resolutionType / options: string · 480p / 720p / 1080p<br>Required: No<br>Description: The resolution of the video to generate.
aspect_ratioType / options: string · 21:9 / 16:9 / 4:3 / 1:1 / 3:4 / 9:16<br>Required: No<br>Description: The aspect ratio of the generated video.
camera_fixedType / options: boolean<br>Required: No<br>Description: Whether to fix the camera position.
generate_audioType / options: boolean<br>Required: No<br>Description: Whether to generate audio for the video.

Related Models

  • bytedance/dreamactor/2.0
  • bytedance/lynx
  • bytedance/omnihuman/1.0

Related Models

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