Seedance 2.0 Lite —— 低价全模态视频生成(文生 / 图生 / 多模态参考),480p / 720p / 1080p 输出。三档:Lite / Fast / Mini。写实真人通过「人像素材库」(asset://)注册后使用。
名字很像但来源和能力不同。你在看的是高亮那行。
| 模型 | 渠道 | 真人 | 价格 |
|---|---|---|---|
| Seedance 2.0 | 晨语 · 真人多模态 | 直接支持真人脸 | $0.11–$0.33/秒 |
| Seedance 2.0 Official | 火山官方直连 | 经素材库 asset:// | 按 token 结算 |
| Seedance 2.0 (sd-A) | 定制版A · Topaz 高清 | 经素材库 asset:// | $0.073–$0.365/秒 |
| Seedance 2.0 Lite ← | 低价娱乐向 | 自带人像库 | $0.04–$0.15/秒 |
| Seedance 2.0 Cinematic | RunningHub 影视级 | — | $1 / $2 / $3 |
所有请求在 Header 携带 API Key:
Authorization: Bearer YOUR_API_KEY| 字段 | 必填 | 类型 | 说明 |
|---|---|---|---|
| 模型 | API name | 分辨率 | $/秒(480p / 720p / 1080p) |
| Seedance 2.0 Lite | seedance2-lite | 480p / 720p / 1080p | $0.10 / $0.13 / $0.15 |
| Seedance 2.0 Lite Fast | seedance2-lite-fast | 480p / 720p / 1080p | $0.09 / $0.12 / $0.13 |
| Seedance 2.0 Lite Mini | seedance2-lite-mini | 480p / 720p / 1080p | $0.04 / $0.06 / $0.08 |
计费 = $/秒 × 时长(3-15 秒)。
/api/v1/video/generations# Text-to-video (model: seedance2-lite / -fast / -mini)
curl -X POST https://apimodels.app/api/v1/video/generations \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "seedance2-lite",
"prompt": "a hummingbird hovering near a bright flower, slow motion",
"resolution": "720p",
"aspect_ratio": "16:9",
"duration": 5
}'
# Real-person video — reference one or more saved portraits by asset id
# (register them first via the Portrait Library, see below):
# "portrait_asset_ids": ["asset-2026...-xxxx"]
# Plain (non-real) reference images / first-last frame / driving video+audio:
# "images": ["https://.../object.jpg"] (non-real objects/scenes)
# "first_frame_url" / "last_frame_url": "https://.../frame.jpg"
# "videos": ["https://.../drive.mp4"], "audios": ["https://.../voice.mp3"]
# Poll for the result
curl "https://apimodels.app/api/v1/video/generations?task_id=TASK_ID" \
-H "Authorization: Bearer YOUR_API_KEY"| 字段 | 必填 | 类型 | 说明 |
|---|---|---|---|
| 模式 | 传入字段 | ||
| 文生视频 | prompt | ||
| 真人视频 | portrait_asset_ids (asset:// — 见下方人像素材库 / see Portrait Library) | ||
| 图生视频-首帧 / 首尾帧 | first_frame_url (+ last_frame_url) | ||
| 多模态参考(非真人) | images (≤10) + videos (≤3) + audios (≤3) |
| 字段 | 必填 | 类型 | 说明 |
|---|---|---|---|
| 字段 | 类型 | 说明 | |
| model | string | seedance2-lite / seedance2-lite-fast / seedance2-lite-mini | |
| prompt | string | 提示词(有参考输入时可选) | |
| resolution | string | 480p | 720p | 1080p | |
| aspect_ratio | string | 21:9 / 16:9 / 4:3 / 1:1 / 3:4 / 9:16 / adaptive | |
| duration | number | 3-15 秒 | |
| portrait_asset_ids | string[] | 真人:人像素材库的资产 id(会转成 asset:// 引用) | |
| images | string[] | 非真人参考图(https://) | |
| first_frame_url / last_frame_url | string | 图生视频首/尾帧 | |
| videos / audios | string[] | 参考视频 / 音频(https://) |
写实真人脸直接当参考图会被上游内容审核拒。要生成真人视频,先把人像上传到人像素材库拿到资产 id,再在生成请求里用 portrait_asset_ids 引用。素材按令牌(API Key)隔离并长期保存、可复用,上传成功每条计 $0.03。
# 1) Upload a portrait (multipart) — charged $0.03 on success.
# Returns an asset id used to reference the person in generations.
curl -X POST https://apimodels.app/api/v1/asset-library/portraits \
-H "Authorization: Bearer YOUR_API_KEY" \
-F 'file=@/path/to/portrait.jpg' \
-F 'name=host'
# → { "data": { "id": "asset-2026...-xxxx", "asset_url": "asset://asset-2026...-xxxx" } }
# 2) List your saved portraits
curl -X POST https://apimodels.app/api/v1/asset-library/portraits/list \
-H "Authorization: Bearer YOUR_API_KEY" -H "Content-Type: application/json" \
-d '{"page_number": 1, "page_size": 50}'
# 3) Use the id in a generation: "portrait_asset_ids": ["asset-2026...-xxxx"]
# 4) Delete a portrait when no longer needed
curl -X DELETE https://apimodels.app/api/v1/asset-library/portraits/asset-2026...-xxxx \
-H "Authorization: Bearer YOUR_API_KEY"| 字段 | 必填 | 类型 | 说明 |
|---|---|---|---|
| 端点 | 说明 | ||
| POST /v1/asset-library/portraits | 上传人像(multipart:file [+ name])→ 资产 id,计 $0.03 | ||
| POST /v1/asset-library/portraits/list | 分页列出已保存人像 | ||
| DELETE /v1/asset-library/portraits/{id} | 删除一条人像 |
试一试:Playground