// ==UserScript==
// @name        Switch ChatGPT Conversation To GPT-4
// @namespace   http://tampermonkey.net/
// @version      0.1
// @description  Change the request model of the conversation
// @author       Redwinam
// @match        https://chat.openai.com/*
// @grant        none
// ==/UserScript==
(function() {
'use strict';
let shouldModify = false;
// Store the original fetch() function
let oldFetch = window.fetch;
// Override the fetch() function
    window.fetch = async function(input, init) {
// If it's the API call we want to modify
if (shouldModify && input.endsWith('/backend-api/conversation') && (init.method === 'POST')) {
// Parse and modify the request body
let oldBody = JSON.parse(init.body);
            oldBody.model = 'gpt-4';
// Update the request body
            init.body = JSON.stringify(oldBody);
}
// Call the original fetch() function
return oldFetch.apply(this, arguments);
};
// Add the button
let button = document.createElement('button');
    button.style = `
        position: fixed;
        bottom: 20px;
        right: 20px;
        z-index: 10000;
        font-family: Arial, sans-serif;
        font-size: 13px;
        color: rgb(64, 65, 79);
        border: 1px solid rgb(217, 217, 227);
        background-color: #FFFFFF;
        padding: 6px 12px;
        border-radius: 4px;
        cursor: pointer;
`;
    button.innerText = 'Toggle GPT-4';
    button.addEventListener('click', function() {
        shouldModify = !shouldModify;
        button.innerText = shouldModify ? 'GPT-4: ON' : 'GPT-4: OFF';
});
    document.body.appendChild(button);
})();