Bytedance
This page is auto-generated from model configurations. Last updated: 2026-07-01.
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 Pro
- Seedance 1 Pro Fast
- Seedance 1.5 Pro
- Seedance 2.0
- Seedance 2.0 Fast
- Seedance 2.0 Mini
OmniHuman 1.5
Section titled “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 Pro
Section titled “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
Section titled “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
Section titled “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
Section titled “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, 4k | 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
Section titled “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). |
Seedance 2.0 Mini
Section titled “Seedance 2.0 Mini”Budget BytePlus Seedance 2.0 video generation (up to 720p): text, first/last frame, or multimodal references.
Model ID: model_bytedance-seedance-2-0-mini
Capabilities: txt2video, img2video, video2video
LLM Markdown: https://app.scenario.com/api/models/model_bytedance-seedance-2-0-mini/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | No | - | - | - | - | Describe the video you want. You can point to your uploaded files with ”@” - for example, “@image1” or “@video1” - to reference them directly in your description. Optional if you provide a first frame or reference images/videos. |
image | file | No | - | - | - | - | An image to use as the video’s opening frame. Can’t be combined with reference images or videos. |
lastFrameImage | file | No | - | - | - | - | An image to use as the video’s closing frame. Only works when a first frame is also set. |
referenceImages | file_array | No | - | - | - | - | Images to guide the video’s subjects and style (up to 9). Can’t be combined with a first frame. |
referenceVideos | file_array | No | - | - | - | - | Videos to guide the motion and style (up to 3). Can’t be combined with a first frame. |
referenceAudio | file_array | No | - | - | - | - | Audio tracks to guide the video (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 | How long the video lasts, in seconds (4–15). Auto matches the length of your longest reference video (kept within 4–15s). |
resolution | string | No | 720p | - | - | 480p, 720p | The output quality. Higher resolution is sharper but costs more (this model supports up to 720p). |
aspectRatio | string | No | adaptive | - | - | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16, adaptive | The shape of the video. Auto picks a fitting shape based on your inputs. |
generateAudio | boolean | No | true | - | - | - | Adds a generated soundtrack to the video. On by default. |
seed | number | No | - | 0 | 4294967295 | - | A number that makes results repeatable. Reusing the same seed and settings produces the same video; leave it empty for a different result each time. |