> ## Documentation Index
> Fetch the complete documentation index at: https://docs-vip.apigo.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Claude 思考模式示例

> Claude extended thinking 接入示例。

## 推荐 endpoint

* [Claude /v1/messages](/api-reference/endpoints/claude/text)

## 最小请求

```json theme={null}
{
  "model": "claude-sonnet-4-20250514",
  "max_tokens": 1600,
  "thinking": {
    "type": "enabled",
    "budget_tokens": 2048
  },
  "messages": [
    {
      "role": "user",
      "content": [{ "type": "text", "text": "比较三种缓存架构的取舍，并给出推荐。" }]
    }
  ]
}
```

## cURL 示例

```bash theme={null}
curl https://api.anthropic.com/v1/messages \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "content-type: application/json" \
  -d '{
    "model": "claude-sonnet-4-20250514",
    "max_tokens": 1600,
    "thinking": {
      "type": "enabled",
      "budget_tokens": 2048
    },
    "messages": [
      {
        "role": "user",
        "content": [
          { "type": "text", "text": "比较三种缓存架构的取舍，并给出推荐。" }
        ]
      }
    ]
  }'
```

## Python 示例

```python theme={null}
from anthropic import Anthropic

client = Anthropic(api_key="<ANTHROPIC_API_KEY>")

response = client.messages.create(
    model="claude-sonnet-4-20250514",
    max_tokens=1600,
    thinking={"type": "enabled", "budget_tokens": 2048},
    messages=[
        {
            "role": "user",
            "content": [
                {"type": "text", "text": "比较三种缓存架构的取舍，并给出推荐。"}
            ],
        }
    ],
)

print(response.content[-1].text)
```

## Node.js 示例

```js theme={null}
import Anthropic from "@anthropic-ai/sdk";

const client = new Anthropic({
  apiKey: process.env.ANTHROPIC_API_KEY,
});

const response = await client.messages.create({
  model: "claude-sonnet-4-20250514",
  max_tokens: 1600,
  thinking: {
    type: "enabled",
    budget_tokens: 2048,
  },
  messages: [
    {
      role: "user",
      content: [
        { type: "text", text: "比较三种缓存架构的取舍，并给出推荐。" }
      ]
    }
  ]
});

console.log(response.content.at(-1).text);
```

## 最佳实践

* 只在真正需要复杂推理时开启 thinking
* `budget_tokens` 从小值开始调，不要默认开很大
* 如果后面还要接工具调用，先验证 thinking 与工具链路的事件处理