ChatGPT是目前最先进的AI聊天机器人，它能够理解图片和文字，生成流畅和有趣的回答。如果你想跟上AI时代的潮流，你一定要学会使用ChatGPT。如果你想了解OpenAI最新发布的GPT-4模型，以及它如何为ChatGPT聊天机器人带来更强大的功能，那么你一定不要错过OpenAI官网推荐的48种最佳应用场景，不管你是资深开发者、初学者，你都能够从0到1快速入门，并掌握他们。

如果你经常需要阅读大量的文本，比如论文、报告、新闻等，你可能会觉得很费时费力。有没有一种方法可以快速地提取出文本的主要信息，而不用阅读整篇文章呢？答案是有的。通过阅读这篇文章，你将能够从0到1快速入门复杂文本总结应用场景，并掌握如何使用ChatGPT生成简洁、准确、流畅的摘要。不管你是学生、老师、编辑还是研究员，你都可以使用其加快理解各种各样的复杂文本。

Introduce 简介

Translates difficult text into simpler concepts.
将难懂的文字翻译成简单的概念。

setting 设置

Engine：text-davinci-003
Max tokens：64
Temperature：0.7
Top p：1.0
Frequency penalty：0.0
Presence penalty：0.0

说明：
0、Engine 设置定义了你要使用的模型，例如 text-davinci-003 是一个文本生成模型。这种模型可以根据输入的文本，生成新的、相关的文本。
1、Max tokens是指在请求中最多允许返回的 token 数目，比如你可以指定 chatGPT 返回最多 64个 token。这可以帮助你控制输出的内容大小，以便更好地控制响应速度和结果。一般1个token约4个字符或者0.75个单词
2、Temperature 是一个参数，用于控制 chatGPT 的输出。它决定了 chatGPT 在生成文本时会多么“随意”。值越高，chatGPT 生成的文本就越不可预测；值越低，chatGPT 生成的文本就越可预测。它在0.0到2.0之间，Temperature设置为0意味着ChatGPT将会生成更加保守的回复，即更少的随机性和更多的准确性，这可以帮助你在聊天中更好地控制语义，并且可以防止ChatGPT产生不相关的内容。
3、Top P 是随温度采样的替代方案，称为核采样，其中模型考虑具有top_p概率质量的标记的结果。因此0.1意味着仅考虑包括前10%概率质量的记号。通常建议更改此值或 temperature，但不要同时更改这两个值。
4、Frequency penalty是指在训练时，模型会根据词频来调整每个单词的重要性。它可以帮助模型更好地理解文本，并减少过拟合。介于-2.0和2.0之间的数字。正值会根据新标记在文本中的现有频率惩罚新标记，从而降低模型逐字重复同一行的可能性。Frequency penalty设置为0意味着模型不会对重复的词进行惩罚。它可以帮助模型生成更多的新词，而不是重复使用已有的词。
5、Presence penalty是指在ChatGPT中，一些预先定义的条件或者状态可能会影响机器人回答的质量，介于-2.0和2.0之间的数字。正值会根据新标记到目前为止是否出现在文本中来惩罚它们，从而增加模型谈论新主题的可能性。如果将 Presence penalty 设置为 0，则表示不会有任何惩罚。

Prompt 提示

Summarize this for a second-grade student:
对一个二年级学生总结一下：

Jupiter is the fifth planet from the Sun and the largest in the Solar System. It is a gas giant with a mass one-thousandth that of the Sun, but two-and-a-half times that of all the other planets in the Solar System combined. Jupiter is one of the brightest objects visible to the naked eye in the night sky, and has been known to ancient civilizations since before recorded history. It is named after the Roman god Jupiter.[19] When viewed from Earth, Jupiter can be bright enough for its reflected light to cast visible shadows,[20] and is on average the third-brightest natural object in the night sky after the Moon and Venus.
木星是太阳系中第五颗行星，也是太阳系中最大的行星。它是一颗气体巨星，质量是太阳的千分之一，但却是太阳系所有其他行星质量总和的2.5倍。木星是夜空中肉眼可见的最明亮的天体之一，在有历史记载之前就已经为古代文明所知。它以罗马神朱庇特命名。[19]从地球上看，木星的亮度足以让它的反射光投射出可见的阴影，[20]并且是夜空中平均第三亮的自然天体，仅次于月球和金星。

Sample response 回复样本

Jupiter is the fifth planet from the Sun and is very big and bright. It can be seen with our eyes in the night sky and it has been known since ancient times. Its name comes from the Roman god Jupiter. It is usually the third brightest object in the night sky after the Moon and Venus.
木星是太阳系中的第五颗行星，又大又亮。它可以用我们的眼睛在夜空中看到，自古以来就为人所知。它的名字来自罗马神朱庇特。它通常是夜空中第三亮的天体，仅次于月亮和金星。

API request 接口请求

python接口请求示例

import os
import openai

openai.api_key = os.getenv("OPENAI_API_KEY")

response = openai.Completion.create(
  model="text-davinci-003",
  prompt="Summarize this for a second-grade student:\n\nJupiter is the fifth planet from the Sun and the largest in the Solar System. It is a gas giant with a mass one-thousandth that of the Sun, but two-and-a-half times that of all the other planets in the Solar System combined. Jupiter is one of the brightest objects visible to the naked eye in the night sky, and has been known to ancient civilizations since before recorded history. It is named after the Roman god Jupiter.[19] When viewed from Earth, Jupiter can be bright enough for its reflected light to cast visible shadows,[20] and is on average the third-brightest natural object in the night sky after the Moon and Venus.",
  temperature=0.7,
  max_tokens=64,
  top_p=1.0,
  frequency_penalty=0.0,
  presence_penalty=0.0
)

node.js接口请求示例

const { Configuration, OpenAIApi } = require("openai");

const configuration = new Configuration({
  apiKey: process.env.OPENAI_API_KEY,
});
const openai = new OpenAIApi(configuration);

const response = await openai.createCompletion({
  model: "text-davinci-003",
  prompt: "Summarize this for a second-grade student:\n\nJupiter is the fifth planet from the Sun and the largest in the Solar System. It is a gas giant with a mass one-thousandth that of the Sun, but two-and-a-half times that of all the other planets in the Solar System combined. Jupiter is one of the brightest objects visible to the naked eye in the night sky, and has been known to ancient civilizations since before recorded history. It is named after the Roman god Jupiter.[19] When viewed from Earth, Jupiter can be bright enough for its reflected light to cast visible shadows,[20] and is on average the third-brightest natural object in the night sky after the Moon and Venus.",
  temperature: 0.7,
  max_tokens: 64,
  top_p: 1.0,
  frequency_penalty: 0.0,
  presence_penalty: 0.0,
});

curl命令示例

curl https://api.openai.com/v1/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -d '{
  "model": "text-davinci-003",
  "prompt": "Summarize this for a second-grade student:\n\nJupiter is the fifth planet from the Sun and the largest in the Solar System. It is a gas giant with a mass one-thousandth that of the Sun, but two-and-a-half times that of all the other planets in the Solar System combined. Jupiter is one of the brightest objects visible to the naked eye in the night sky, and has been known to ancient civilizations since before recorded history. It is named after the Roman god Jupiter.[19] When viewed from Earth, Jupiter can be bright enough for its reflected light to cast visible shadows,[20] and is on average the third-brightest natural object in the night sky after the Moon and Venus.",
  "temperature": 0.7,
  "max_tokens": 64,
  "top_p": 1.0,
  "frequency_penalty": 0.0,
  "presence_penalty": 0.0
}'

json格式示例

{
  "model": "text-davinci-003",
  "prompt": "Summarize this for a second-grade student:\n\nJupiter is the fifth planet from the Sun and the largest in the Solar System. It is a gas giant with a mass one-thousandth that of the Sun, but two-and-a-half times that of all the other planets in the Solar System combined. Jupiter is one of the brightest objects visible to the naked eye in the night sky, and has been known to ancient civilizations since before recorded history. It is named after the Roman god Jupiter.[19] When viewed from Earth, Jupiter can be bright enough for its reflected light to cast visible shadows,[20] and is on average the third-brightest natural object in the night sky after the Moon and Venus.",
  "temperature": 0.7,
  "max_tokens": 64,
  "top_p": 1.0,
  "frequency_penalty": 0.0,
  "presence_penalty": 0.0
}

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