# 豆包 Seed 2.0 Mini API

> 字节跳动 Seed 2.0 系列中最小的模型，支持文本、图片和视频输入。适合大批量的分类、路由、打标签和简单的多模态理解，成本极低。

- 模型 ID: `doubao-seed-2.0-mini`
- 系列: Doubao
- 开发商: Doubao
- 接口: `POST /v1/chat/completions`
- 网页: https://bigmodel.io/zh-cn/models/doubao-seed-2-0-mini
- 更新时间: 2026-10-18T19:56:25.671Z

## 价格（美元 / 百万 tokens）

| 输入 | 输出 | 缓存命中 |
| --- | --- | --- |
| $0.10 | $0.40 | $0 |

按 token 从预付美元余额扣费。 计费规则: https://bigmodel.io/zh-cn/pricing

## Base URL

- OpenAI 兼容: https://bigmodel.io/v1

## 示例

先把 `BIGMODEL_API_KEY` 设置为 BigModel.io 控制台创建的 Key。

### curl

```bash
curl https://bigmodel.io/v1/chat/completions \
  -H "Authorization: Bearer $BIGMODEL_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "doubao-seed-2.0-mini",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ]
}'
```

### Python

```python
# pip install openai
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://bigmodel.io/v1",
    api_key=os.environ["BIGMODEL_API_KEY"],
)

completion = client.chat.completions.create(
    model="doubao-seed-2.0-mini",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(completion.choices[0].message.content)
```

### JavaScript

```javascript
// npm install openai
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://bigmodel.io/v1",
  apiKey: process.env.BIGMODEL_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "doubao-seed-2.0-mini",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(completion.choices[0].message.content);
```