Bytedance
This page is auto-generated from model configurations. Last updated: 2026-03-13.
This reference lists all available Bytedance video generation models and their parameters. Use these parameter names when calling the Generation API.
OmniHuman 1.5
New advanced and improved human generation model. Generates video using an image of a human figure paired with an audio file.
Model ID: model_bytedance-omni-human-1-5
Capabilities: img2video
LLM Markdown: https://app.scenario.com/api/models/model_bytedance-omni-human-1-5/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
imageUrl | file | Yes | - | - | - | - | Input image containing a human subject, face or character. |
audioUrl | file | Yes | - | - | - | - | Input audio file. Audio must be under 30s long and under 5MB. |
Seedance 1 Lite
Lightweight, speed-first video generator for fast iteration.
Model ID: model_bytedance-seedance-1-lite
Capabilities: txt2video, img2video
LLM Markdown: https://app.scenario.com/api/models/model_bytedance-seedance-1-lite/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | Yes | - | - | - | - | Describe your video |
image | file | No | - | - | - | - | Image used as the first frame of the video. |
lastFrameImage | file | No | - | - | - | - | Image used as the last frame of the video. |
referenceImages | file_array | No | - | - | - | - | Reference images to guide video generation for characters, avatars, clothing, environments, or multi-character interactions. |
duration | number | No | 5 | 2 | 12 | - | Duration in seconds |
resolution | string | No | 1080p | - | - | 480p, 720p, 1080p | Output video resolution |
aspectRatio | string | No | 16:9 | - | - | 9:21, 9:16, 3:4, 1:1, 4:3, 16:9, 21:9, adaptive | Aspect ratio of the video. Ignored if first frame is provided. |
cameraFixed | boolean | No | false | - | - | - | Whether to fix camera position |
seed | number | No | - | - | - | - | Use a seed for reproducible results. Leave blank to use a random seed. |
Seedance 1 Pro
Video model tuned for stable detail and fluid motion.
Model ID: model_bytedance-seedance-1-pro
Capabilities: txt2video, img2video
LLM Markdown: https://app.scenario.com/api/models/model_bytedance-seedance-1-pro/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | Yes | - | - | - | - | Describe your video |
image | file | No | - | - | - | - | Image used as the first frame of the video. |
lastFrameImage | file | No | - | - | - | - | Input image for last frame generation. This only works if an image start frame is given too. |
duration | number | No | 5 | 2 | 12 | - | Duration in seconds |
resolution | string | No | 1080p | - | - | 480p, 720p, 1080p | Output video resolution |
aspectRatio | string | No | 16:9 | - | - | 9:21, 9:16, 3:4, 1:1, 4:3, 16:9, 21:9, adaptive | Aspect ratio of the video. Ignored if first frame is provided. |
cameraFixed | boolean | No | false | - | - | - | Whether to fix camera position |
seed | number | No | - | - | - | - | Use a seed for reproducible results. Leave blank to use a random seed. |
Seedance 1 Pro Fast
Balanced video model tuned for fast stable detail and fluid motion.
Model ID: model_bytedance-seedance-1-pro-fast
Capabilities: txt2video, img2video
LLM Markdown: https://app.scenario.com/api/models/model_bytedance-seedance-1-pro-fast/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | Yes | - | - | - | - | Describe your video |
image | file | No | - | - | - | - | Image used as the first frame of the video. |
duration | number | No | 5 | 2 | 12 | - | Duration in seconds |
resolution | string | No | 1080p | - | - | 480p, 720p, 1080p | Output video resolution |
aspectRatio | string | No | 16:9 | - | - | 9:21, 9:16, 3:4, 1:1, 4:3, 16:9, 21:9, adaptive | Aspect ratio of the video. Ignored if first frame is provided. |
cameraFixed | boolean | No | false | - | - | - | Whether to fix camera position |
seed | number | No | - | - | - | - | Use a seed for reproducible results. Leave blank to use a random seed. |
Seedance 1.5 Pro
Generate videos with audio with Seedance 1.5 (supports start & end frame)
Model ID: model_bytedance-seedance-1-5-pro
Capabilities: txt2video, img2video
LLM Markdown: https://app.scenario.com/api/models/model_bytedance-seedance-1-5-pro/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | Yes | - | - | - | - | Describe your video |
image | file | No | - | - | - | - | Image used as the first frame of the video. |
lastFrameImage | file | No | - | - | - | - | Input image for last frame generation. This only works if an image start frame is given too. |
duration | number | No | 5 | 4 | 12 | - | Duration in seconds |
resolution | string | No | 720p | - | - | 480p, 720p, 1080p | Output video resolution |
aspectRatio | string | No | 16:9 | - | - | 21:9, 9:16, 3:4, 1:1, 4:3, 16:9, adaptive | Aspect ratio of the video. |
cameraFixed | boolean | No | false | - | - | - | Whether to fix camera position |
generateAudio | boolean | No | true | - | - | - | Whether to generate audio for the video |
seed | number | No | - | - | - | - | Use a seed for reproducible results. Leave blank to use a random seed. |
Updated about 4 hours ago