GPT4 Model Switcher

切换 OpenAI GPT-4 使用的模型(gpt-4 和 gpt-4-mobile)仅plus用户可用。

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        GPT4 Model Switcher
// @description 切换 OpenAI GPT-4 使用的模型(gpt-4 和 gpt-4-mobile)仅plus用户可用。
// @author       LShang
// @license MIT
// @match       https://chat.openai.com/*
// @match       https://chat.zhile.io/*
// @version     6.0
// @grant       none
// @namespace https://github.com/LShang001
// ==/UserScript==

(function () {
  'use strict';

  // 获取localStorage中的脚本是否启用的状态,默认为 gpt-4
  let isScriptEnabled = localStorage.getItem('isScriptEnabled') === 'true';
  let modelInUse = isScriptEnabled ? 'gpt-4-mobile' : 'gpt-4';

  // 创建并插入样式,用于显示切换按钮
  const style = document.createElement('style');
  style.innerHTML = `
    .toggle-button {
      position: fixed;
      bottom: 10px;
      right: 10px;
      z-index: 9999;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 5px;
      background-color: #242424;
      border-radius: 5px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    }

    .toggle-button span {
      color: white;
      font-size: 16px;
    }

    .toggle-button input {
      display: none;
    }

    .slider {
      cursor: pointer;
      background-color: #ccc;
      transition: 0.4s;
      border-radius: 34px;
      width: 60px;
      height: 34px;
      position: relative;
    }

    .slider:before {
      position: absolute;
      content: "";
      height: 26px;
      width: 26px;
      left: 4px;
      bottom: 4px;
      background-color: white;
      transition: 0.4s;
      border-radius: 50%;
    }

    input:checked + .slider {
      background-color: #4CAF50;
    }

    input:checked + .slider:before {
      transform: translateX(26px);
    }
  `;
  document.head.appendChild(style);

  // 创建切换按钮和相关元素
  const toggleButton = document.createElement('label');
  toggleButton.className = 'toggle-button';

  const toggleText = document.createElement('span');
  toggleText.textContent = 'Model: ' + modelInUse;
  toggleButton.appendChild(toggleText);

  const toggleInput = document.createElement('input');
  toggleInput.type = 'checkbox';
  toggleInput.checked = isScriptEnabled;
  // 当切换状态时,改变localStorage中的脚本启用状态,并更新模型名称
  toggleInput.addEventListener('change', toggleScript);
  toggleButton.appendChild(toggleInput);

  const slider = document.createElement('span');
  slider.className = 'slider';
  toggleButton.appendChild(slider);

  document.body.appendChild(toggleButton);

  // 切换脚本的启用状态,并更新模型名称
  function toggleScript() {
    isScriptEnabled = !isScriptEnabled;
    localStorage.setItem('isScriptEnabled', isScriptEnabled);
    modelInUse = isScriptEnabled ? 'gpt-4-mobile' : 'gpt-4';
    toggleText.textContent = 'Model: ' + modelInUse;
  }

  // 保存原始的fetch函数
  const originalFetch = window.fetch;

  // 修改fetch函数,对于POST请求的模型参数进行修改
  function modifiedFetch(url, init) {
    if (!isScriptEnabled) {
      return originalFetch(url, init);
    }
    try {
      if (init && init.method === 'POST' && init.body && init.headers['Content-Type'] === 'application/json') {
        let data = JSON.parse(init.body);
        if (data.hasOwnProperty('model') && (data.model === 'gpt-4' || data.model === 'gpt-4-mobile')) {
          data.model = isScriptEnabled ? 'gpt-4-mobile' : 'gpt-4';
          init.body = JSON.stringify(data);
        }
      }
      return originalFetch(url, init);
    } catch (e) {
      console.error('在处理请求时出现错误:', e);
      return originalFetch(url, init);
    }
  }

  // 在页面加载后替换原始的fetch函数
  window.addEventListener('load', () => {
    window.fetch = modifiedFetch;
  });
})();