跳转到主要内容

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官方能力边界

  • Anthropic 官方 API 没有独立的图片生成 endpoint
  • Claude 官方强项是图像理解，而不是直接产出图片资产

​
推荐工作流

  1. 用 Claude /v1/messages 生成或改写图片提示词
  2. 将整理后的 prompt 交给支持生图的 provider
  3. 再用 Claude 做图片审核、解释或二次改写

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最小请求

{
  "model": "claude-sonnet-4-20250514",
  "max_tokens": 600,
  "system": "You turn product briefs into image-generation prompts.",
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "text",
          "text": "把这段需求整理成适合生图模型的英文 prompt：为 Api.Go 做一张简洁、科技感、浅色背景的产品海报。"
        }
      ]
    }
  ]
}

​
cURL 示例

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": 600,
    "system": "You turn product briefs into image-generation prompts.",
    "messages": [
      {
        "role": "user",
        "content": [
          {
            "type": "text",
            "text": "把这段需求整理成适合生图模型的英文 prompt：为 Api.Go 做一张简洁、科技感、浅色背景的产品海报。"
          }
        ]
      }
    ]
  }'

​
Python 示例

from anthropic import Anthropic

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

response = client.messages.create(
    model="claude-sonnet-4-20250514",
    max_tokens=600,
    system="You turn product briefs into image-generation prompts.",
    messages=[
        {
            "role": "user",
            "content": [
                {
                    "type": "text",
                    "text": "把这段需求整理成适合生图模型的英文 prompt：为 Api.Go 做一张简洁、科技感、浅色背景的产品海报。",
                }
            ],
        }
    ],
)

print(response.content[0].text)

​
Node.js 示例

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: 600,
  system: "You turn product briefs into image-generation prompts.",
  messages: [
    {
      role: "user",
      content: [
        {
          type: "text",
          text: "把这段需求整理成适合生图模型的英文 prompt：为 Api.Go 做一张简洁、科技感、浅色背景的产品海报。"
        }
      ]
    }
  ]
});

console.log(response.content[0].text);

​
最佳实践

  • 不要伪造一个“Claude 生图接口”给前端
  • Claude 更适合做 prompt refinement、素材审核和视觉理解
  • 生成链路和理解链路应拆成两条后端流程