ChatGPT is GPT4 by default(PLUS only available)

ChatGPT switch The default is GPT4

As of 2023-04-18. See the latest version.

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 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                 ChatGPT is GPT4 by default(PLUS only available)
// @name:zh-CN           ChatGPT默认为GPT4(仅PLUS可用)
// @description          ChatGPT switch The default is GPT4
// @description:zh-cn   ChatGPT switch The default is GPT4
// @version             0.0.3
// @match              https://chat.openai.com/*
// @namespace https://greatest.deepsurf.us/users/562260
// @license MIT
// ==/UserScript==

(function () {
  'use strict';
  const DEFAULT_MODEL = 'GPT-4';
  const BUTTON_INFO = 'ModelDefault (GPT-3.5)';

  const clickListItemByTextContent = (textContent) => {
    const listItems = document.getElementsByTagName('li');
    for (let listItem of listItems) {
      if (listItem.textContent === textContent) {
        listItem.click();
        return;
      }
    }
  };

  const switchModel = (model = DEFAULT_MODEL) => {
    setTimeout(() => clickListItemByTextContent(model), 0);
  };

  const callback = (mutationRecords) => {
    for (const mutationRecord of mutationRecords) {
      if (mutationRecord.addedNodes.length) {
        for (const addedNode of mutationRecord.addedNodes) {
          const buttons = addedNode.querySelectorAll('button');
          for (let button of buttons) {
            if (button.textContent === BUTTON_INFO) {
              button.click();
              switchModel();
              return;
            }
          }
        }
      }
    }
  };

  const observer = new MutationObserver(callback);
  observer.observe(document.getElementById('__next'), {
    childList: true,
    subtree: true,
  });
})();