Bytedance
This page is auto-generated from model configurations. Last updated: 2026-04-25.
This reference lists all available Bytedance video generation models and their parameters. Use these parameter names when calling the Generation API.
- OmniHuman 1.5
- Seedance 1 Lite
- Seedance 1 Pro
- Seedance 1 Pro Fast
- Seedance 1.5 Pro
- Seedance 2.0
- Seedance 2.0 Fast
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. |
Seedance 2.0
BytePlus Seedance 2.0 video generation: text, first/last frame, or multimodal references (images, videos, optional audio).
Model ID: model_bytedance-seedance-2-0
Capabilities: txt2video, img2video, video2video
LLM Markdown: https://app.scenario.com/api/models/model_bytedance-seedance-2-0/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | No | - | - | - | - | Text prompt for video generation. Use "@" such as "@image1" or "@video1" to quickly reference selected images/videos. Prompt is optional if you provide a first frame or reference images/videos. |
image | file | No | - | - | - | - | First frame image (frame mode). Mutually exclusive with reference images/videos. |
lastFrameImage | file | No | - | - | - | - | Last frame image. Only valid when a first frame image is provided. |
referenceImages | file_array | No | - | - | - | - | Reference images for multimodal mode (up to 9). Mutually exclusive with first frame. |
referenceVideos | file_array | No | - | - | - | - | Reference videos for multimodal mode (up to 3). Mutually exclusive with first frame. |
referenceAudio | file_array | No | - | - | - | - | Reference audio tracks (up to 3). Requires at least one reference image or video. |
duration | number | No | -1 | - | - | -1, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 | Duration in seconds (4–15), or Auto: with reference videos, bill at the longest reference clip length (clamped 4–15s). |
resolution | string | No | 720p | - | - | 480p, 720p, 1080p | Output video resolution |
aspectRatio | string | No | adaptive | - | - | 16:9, 4:3, 1:1, 3:4, 9:16, 21:9, adaptive | Output aspect ratio |
generateAudio | boolean | No | true | - | - | - | Whether to generate audio for the video |
seed | number | No | - | 0 | 4294967295 | - | Optional seed for reproducible results (0–4294967295). |
Seedance 2.0 Fast
Faster BytePlus Seedance 2.0 video generation: text, first/last frame, or multimodal references (images, videos, optional audio).
Model ID: model_bytedance-seedance-2-0-fast
Capabilities: txt2video, img2video, video2video
LLM Markdown: https://app.scenario.com/api/models/model_bytedance-seedance-2-0-fast/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | No | - | - | - | - | Text prompt for video generation. Use "@" such as "@image1" or "@video1" to quickly reference selected images/videos. Prompt is optional if you provide a first frame or reference images/videos. |
image | file | No | - | - | - | - | First frame image (frame mode). Mutually exclusive with reference images/videos. |
lastFrameImage | file | No | - | - | - | - | Last frame image. Only valid when a first frame image is provided. |
referenceImages | file_array | No | - | - | - | - | Reference images for multimodal mode (up to 9). Mutually exclusive with first frame. |
referenceVideos | file_array | No | - | - | - | - | Reference videos for multimodal mode (up to 3). Mutually exclusive with first frame. |
referenceAudio | file_array | No | - | - | - | - | Reference audio tracks (up to 3). Requires at least one reference image or video. |
duration | number | No | -1 | - | - | -1, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 | Duration in seconds (4–15), or Auto: with reference videos, bill at the longest reference clip length (clamped 4–15s). |
resolution | string | No | 720p | - | - | 480p, 720p | Output video resolution |
aspectRatio | string | No | adaptive | - | - | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16, adaptive | Output aspect ratio |
generateAudio | boolean | No | true | - | - | - | Whether to generate audio for the video |
seed | number | No | - | 0 | 4294967295 | - | Optional seed for reproducible results (0–4294967295). |
Updated 1 day ago