GPT 5.4 API：在线文本生成、使用教程与接入指南

POST https://api.requestbeam.com/openai/responses

Authorization: Bearer YOUR_API_KEY

{
  "model": "gpt-5.4",
  "input": "你好，请用一句话介绍你自己。"
}

{
  "model": "gpt-5.5",
  "input": "Reply with READY only.",
  "reasoning": {
    "effort": "xhigh"
  },
  "store": false,
  "text": {
    "verbosity": "low"
  },
  "stream": true
}

{
  "model": "gpt-5.4",
  "input": [
    {
      "type": "message",
      "role": "user",
      "content": [
        {
          "type": "input_text",
          "text": "这张图片里有什么？请用中文回答。"
        },
        {
          "type": "input_image",
          "image_url": "https://example.com/cat.png",
          "detail": "high"
        }
      ]
    }
  ]
}

{
  "model": "gpt-5.4",
  "input": [
    {
      "type": "message",
      "role": "user",
      "content": [
        {
          "type": "input_text",
          "text": "请总结这个 PDF 的重点。"
        },
        {
          "type": "input_file",
          "file_data": "data:application/pdf;base64,JVBERi0xLjQKJc...",
          "filename": "report.pdf"
        }
      ]
    }
  ]
}

{
  "model": "gpt-5.4",
  "input": [
    {
      "type": "message",
      "role": "user",
      "content": [
        {
          "type": "input_text",
          "text": "请结合图片和附件，给出三条结论。"
        },
        {
          "type": "input_image",
          "image_url": "https://example.com/chart.png",
          "detail": "high"
        },
        {
          "type": "input_file",
          "file_data": "data:application/pdf;base64,JVBERi0xLjQKJc...",
          "filename": "notes.pdf"
        }
      ]
    }
  ]
}

{
  "model": "gpt-5.4",
  "stream": true,
  "input": [
    {
      "role": "user",
      "content": [
        {
          "type": "input_text",
          "text": "请分步骤解释这张图。"
        },
        {
          "type": "input_image",
          "image_url": "https://example.com/diagram.png"
        }
      ]
    }
  ]
}

{
  "id": "resp_123",
  "object": "response",
  "created_at": 1766534400,
  "model": "gpt-5.4",
  "output": [
    {
      "type": "message",
      "role": "assistant",
      "content": [
        {
          "text": "图片中是一只猫，附件是一份关于宠物护理的说明文档。"
        }
      ]
    }
  ],
  "usage": {
    "input_tokens": 128,
    "output_tokens": 42,
    "total_tokens": 170
  }
}

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":"图片中"}

event: response.output_text.delta
data: {"type":"response.output_text.delta","delta":"是一只猫"}

event: response.completed
data: {"type":"response.completed","response":{"id":"resp_123"}}

{
  "code": 40000,
  "message": "Insufficient credit. Required: 30000, Available: 20000",
  "type": "api_error"
}