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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>ChatRouter - AI Chat Interface</title>
<link rel="icon" type="image/x-icon" href="https://static.photos/technology/200x200/42">
<script src="https://cdn.tailwindcss.com"></script>
<script src="https://unpkg.com/feather-icons"></script>
<script src="https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js"></script>
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-9935854434534629"
crossorigin="anonymous"></script>
<style>
/* Mobile sidebar positioning */
@media (max-width: 767px) {
#sidebar {
position: fixed;
top: 0;
left: 0;
height: 100vh;
width: 280px;
z-index: 30;
transform: translateX(-100%);
transition: transform 0.3s ease;
}
#sidebar:not(.hidden) {
transform: translateX(0);
}
}
.chat-height {
height: calc(100vh - 200px);
}
.message-bubble {
max-width: 85%;
word-wrap: break-word;
}
.typing-indicator {
display: inline-block;
width: 8px;
height: 8px;
border-radius: 50%;
background-color: #9ca3af;
margin-right: 4px;
}
.typing-indicator:nth-child(1) {
animation: typing 1s infinite;
}
.typing-indicator:nth-child(2) {
animation: typing 1s infinite 0.2s;
}
.typing-indicator:nth-child(3) {
animation: typing 1s infinite 0.4s;
margin-right: 0;
}
@keyframes typing {
0% { transform: translateY(0); }
50% { transform: translateY(-5px); }
100% { transform: translateY(0); }
}
</style>
</head>
<body class="bg-gradient-to-br from-indigo-900 to-purple-900 text-white">
<div class="container mx-auto px-4 py-8 max-w-7xl">
<!-- Sidebar Toggle for Mobile -->
<button id="sidebarToggle" class="fixed left-4 top-4 z-40 md:hidden bg-gray-800 p-2 rounded-lg">
<i data-feather="menu"></i>
</button>
<header class="flex justify-between items-center mb-8 ml-12 md:ml-0">
<div class="flex items-center space-x-3">
<i data-feather="cpu" class="w-8 h-8 text-indigo-300"></i>
<h1 class="text-2xl font-bold bg-clip-text text-transparent bg-gradient-to-r from-indigo-300 to-purple-300">ChatRouter</h1>
</div>
<div class="flex items-center space-x-2">
<button id="newChatBtn" class="flex items-center space-x-2 bg-indigo-800 hover:bg-indigo-700 px-4 py-2 rounded-lg transition-all">
<i data-feather="plus" class="w-5 h-5"></i>
<span>New Chat</span>
</button>
<button id="settingsBtn" class="flex items-center space-x-2 bg-indigo-800 hover:bg-indigo-700 px-4 py-2 rounded-lg transition-all">
<i data-feather="settings" class="w-5 h-5"></i>
<span>Settings</span>
</button>
</div>
</header>
<!-- Settings Modal -->
<div id="settingsModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden">
<div class="bg-gray-800 rounded-xl p-6 w-full max-w-md">
<div class="flex justify-between items-center mb-4">
<h2 class="text-xl font-bold">Chat Settings</h2>
<button id="closeSettings" class="text-gray-400 hover:text-white">
<i data-feather="x"></i>
</button>
</div>
<div class="space-y-4">
<div>
<label class="block text-sm font-medium mb-1">OpenRouter API Key</label>
<input type="password" id="apiKeyInput" placeholder="Enter your API key" class="w-full bg-gray-700 border border-gray-600 rounded-lg px-4 py-2 focus:outline-none focus:ring-2 focus:ring-indigo-500">
<p class="text-xs text-gray-400 mt-1">Your key is stored locally and never sent to our servers</p>
</div>
<div>
<label class="block text-sm font-medium mb-1">Select Model</label>
<select id="modelSelect" class="w-full bg-gray-700 border border-gray-600 rounded-lg px-4 py-2 focus:outline-none focus:ring-2 focus:ring-indigo-500">
<option value="" disabled selected>Select a free model</option>
<option value="tongyi/deepresearch-30b-a3b">Tongyi DeepResearch 30B A3B (FREE)</option>
<option value="nvidia/nemotron-nano-9b-v2">NVIDIA: Nemotron Nano 9B V2 (FREE)</option>
<option value="meta/llama-3.3-70b-instruct">Meta: Llama 3.3 70B Instruct (FREE)</option>
</select>
<p class="text-xs text-gray-400 mt-1">Free models available without token charges. <a href="https://openrouter.ai/" target="_blank" class="text-indigo-400 hover:text-indigo-300">Get your API key here</a></p>
</div>
<div>
<label class="block text-sm font-medium mb-1">Chat Theme</label>
<div class="flex space-x-2">
<button data-theme="indigo" class="theme-btn w-8 h-8 bg-indigo-600 rounded-full border-2 border-transparent focus:border-white"></button>
<button data-theme="emerald" class="theme-btn w-8 h-8 bg-emerald-600 rounded-full border-2 border-transparent focus:border-white"></button>
<button data-theme="rose" class="theme-btn w-8 h-8 bg-rose-600 rounded-full border-2 border-transparent focus:border-white"></button>
<button data-theme="amber" class="theme-btn w-8 h-8 bg-amber-600 rounded-full border-2 border-transparent focus:border-white"></button>
<button data-theme="cyan" class="theme-btn w-8 h-8 bg-cyan-600 rounded-full border-2 border-transparent focus:border-white"></button>
</div>
</div>
<button id="saveSettings" class="w-full bg-indigo-600 hover:bg-indigo-500 text-white py-2 rounded-lg transition-colors">Save Settings</button>
</div>
</div>
</div>
<div class="flex flex-col md:flex-row gap-6">
<!-- Sidebar -->
<div id="sidebar" class="hidden md:block w-64 bg-gray-800 bg-opacity-60 backdrop-blur-lg rounded-2xl shadow-xl h-[80vh] p-4 overflow-y-auto">
<div class="flex flex-col h-full">
<button id="newSidebarChat" class="flex items-center space-x-2 bg-indigo-600 hover:bg-indigo-500 text-white px-4 py-2 rounded-lg mb-4">
<i data-feather="plus" class="w-4 h-4"></i>
<span>New Chat</span>
</button>
<div id="chatList" class="flex-1 overflow-y-auto space-y-1">
<!-- Chat items will be dynamically added here -->
</div>
</div>
</div>
<!-- Main Chat Container -->
<div class="flex-1 bg-gray-800 bg-opacity-60 backdrop-blur-lg rounded-2xl shadow-xl overflow-hidden">
<!-- Chat Messages -->
<div id="chatContainer" class="chat-height overflow-y-auto p-4 space-y-4">
<div class="flex justify-center">
<div class="bg-gray-700 bg-opacity-50 px-4 py-2 rounded-lg text-sm text-gray-300">
<i data-feather="info" class="inline mr-2 w-4 h-4"></i>
Select a free model from settings to start chatting
</div>
</div>
</div>
<!-- Input Area -->
<div class="border-t border-gray-700 p-4 bg-gray-800">
<div class="flex items-center space-x-2">
<textarea id="messageInput" placeholder="Type your message..." rows="1" class="flex-1 bg-gray-700 border border-gray-600 rounded-lg px-4 py-3 focus:outline-none focus:ring-2 focus:ring-indigo-500 resize-none max-h-32"></textarea>
<button id="sendBtn" class="bg-indigo-600 hover:bg-indigo-500 text-white p-3 rounded-lg transition-colors disabled:opacity-50 disabled:cursor-not-allowed" disabled>
<i data-feather="send" class="w-5 h-5"></i>
</button>
</div>
<div class="flex justify-between items-center mt-2 text-xs text-gray-400">
<div id="typingIndicator" class="flex items-center hidden">
<span class="mr-2">AI is typing</span>
<div class="typing-indicator"></div>
<div class="typing-indicator"></div>
<div class="typing-indicator"></div>
</div>
<div>
<span id="modelIndicator">No model selected</span>
</div>
</div>
</div>
</div>
</div>
<footer class="mt-8 text-center text-sm text-gray-400">
<p>ChatRouter connects you to the best AI models via OpenRouter</p>
<p class="mt-1">Your conversations stay private and secure</p>
</footer>
</div>
<script>
feather.replace();
// DOM Elements - New Sidebar Elements
const sidebarToggle = document.getElementById('sidebarToggle');
const sidebar = document.getElementById('sidebar');
const newSidebarChat = document.getElementById('newSidebarChat');
const chatList = document.getElementById('chatList');
// DOM Elements - Original
const newChatBtn = document.getElementById('newChatBtn');
const settingsBtn = document.getElementById('settingsBtn');
const settingsModal = document.getElementById('settingsModal');
const closeSettings = document.getElementById('closeSettings');
const apiKeyInput = document.getElementById('apiKeyInput');
const modelSelect = document.getElementById('modelSelect');
const saveSettings = document.getElementById('saveSettings');
const messageInput = document.getElementById('messageInput');
const sendBtn = document.getElementById('sendBtn');
const chatContainer = document.getElementById('chatContainer');
const typingIndicator = document.getElementById('typingIndicator');
const modelIndicator = document.getElementById('modelIndicator');
const themeBtns = document.querySelectorAll('.theme-btn');
// User management
let isRegistering = false;
// Chat management
let currentChatId = null;
function generateChatId() {
return 'chat_' + Date.now().toString(36) + Math.random().toString(36).substr(2, 5);
}
function createNewChat() {
currentChatId = generateChatId();
chatContainer.innerHTML = '';
addMessage('system', '🆕 New chat started.');
}
// Load saved settings
async function loadSettings() {
// Clear any saved API key on load
localStorage.removeItem('chatRouterApiKey');
const savedModel = localStorage.getItem('chatRouterModel');
const savedTheme = localStorage.getItem('chatRouterTheme') || 'indigo';
if (savedModel) {
modelSelect.value = savedModel;
modelIndicator.textContent = `Using: ${savedModel.split('/').pop()}`;
}
// Apply theme
document.body.className = `bg-gradient-to-br from-${savedTheme}-900 to-purple-900 text-white`;
}
// Free models from OpenRouter
const freeModels = [
'alibaba/tongyi-deepresearch-30b-a3b:free',
'nvidia/nemotron-nano-9b-v2:free',
'openai/gpt-oss-20b:free',
'z-ai/glm-4.5-air:free',
'tngtech/deepseek-r1t2-chimera:free',
'mistralai/mistral-small-3.2-24b-instruct:free',
'moonshotai/kimi-dev-72b:free',
'mistralai/devstral-small-2505:free',
'google/gemma-3n-e4b-it:free',
'meta-llama/llama-3.3-8b-instruct:free',
'qwen/qwen3-4b:free',
'qwen/qwen3-30b-a3b:free',
'qwen/qwen3-8b:free',
'qwen/qwen3-14b:free',
'qwen/qwen3-235b-a22b:free',
'tngtech/deepseek-r1t-chimera:free',
'microsoft/mai-ds-r1:free',
'shisa-ai/shisa-v2-llama3.3-70b:free',
'meta-llama/llama-4-maverick:free',
'meta-llama/llama-4-scout:free',
'qwen/qwen2.5-vl-32b-instruct:free',
'mistralai/mistral-small-3.1-24b-instruct:free',
'google/gemma-3-4b-it:free',
'google/gemma-3-12b-it:free',
'google/gemma-3-27b-it:free',
'nousresearch/deephermes-3-llama-3-8b-preview:free',
'cognitivecomputations/dolphin3.0-mistral-24b:free',
'qwen/qwen2.5-vl-72b-instruct:free',
'mistralai/mistral-small-24b-instruct-2501:free',
'deepseek/deepseek-r1-distill-llama-70b:free',
'meta-llama/llama-3.3-70b-instruct:free',
'meta-llama/llama-3.2-3b-instruct:free',
'qwen/qwen-2.5-72b-instruct:free',
'mistralai/mistral-nemo:free',
'google/gemma-2-9b-it:free'
];
// Fetch available free models
async function fetchModels(apiKey) {
try {
// Clear existing options
modelSelect.innerHTML = '';
// Add default option
const defaultOption = document.createElement('option');
defaultOption.value = '';
defaultOption.textContent = 'Select a model';
defaultOption.disabled = true;
defaultOption.selected = true;
modelSelect.appendChild(defaultOption);
// Add free models
freeModels.forEach(modelId => {
const option = document.createElement('option');
option.value = modelId;
option.textContent = modelId;
modelSelect.appendChild(option);
});
// Verify API key is still needed for these free models
if (!apiKey) {
addMessage('system', 'Free models selected. Some features may require an API key.');
}
} catch (error) {
addMessage('system', `Error loading models: ${error.message}`);
}
}
// Save settings
saveSettings.addEventListener('click', async () => {
const apiKey = apiKeyInput.value.trim();
const model = modelSelect.value;
if (!apiKey) {
alert('Please enter your OpenRouter API key');
return;
}
if (!model) {
alert('Please select a model');
return;
}
try {
// Verify API key by fetching models
await fetchModels(apiKey);
// Only save model (API key is not saved)
localStorage.setItem('chatRouterModel', model);
sendBtn.disabled = false;
modelIndicator.textContent = `Using: ${model.split('/').pop()}`;
settingsModal.classList.add('hidden');
// Add confirmation message to chat
addMessage('system', 'Model selected successfully. You can now start chatting! \n⚠️Warning: If you refresh or reload this page, you will lose your current chat history and need to re-enter your API key.');
} catch (error) {
addMessage('system', `Error verifying API key: ${error.message}`);
}
});
// Load models when API key changes
apiKeyInput.addEventListener('blur', async () => {
const apiKey = apiKeyInput.value.trim();
if (apiKey) {
await fetchModels(apiKey);
}
});
// Theme selection
themeBtns.forEach(btn => {
btn.addEventListener('click', () => {
const theme = btn.dataset.theme;
localStorage.setItem('chatRouterTheme', theme);
document.body.className = `bg-gradient-to-br from-${theme}-900 to-purple-900 text-white`;
// Update button colors to match theme
document.querySelectorAll('.bg-indigo-600').forEach(el => {
el.classList.remove('bg-indigo-600', 'hover:bg-indigo-500');
el.classList.add(`bg-${theme}-600`, `hover:bg-${theme}-500`);
});
});
});
// Modal controls
settingsBtn.addEventListener('click', () => {
settingsModal.classList.remove('hidden');
});
closeSettings.addEventListener('click', () => {
settingsModal.classList.add('hidden');
});
// Auto-resize textarea
messageInput.addEventListener('input', () => {
messageInput.style.height = 'auto';
messageInput.style.height = (messageInput.scrollHeight) + 'px';
});
// Add message to chat
function addMessage(role, content) {
const messageDiv = document.createElement('div');
messageDiv.className = `flex ${role === 'user' ? 'justify-end' : 'justify-start'}`;
const bubble = document.createElement('div');
bubble.className = `message-bubble rounded-2xl px-4 py-3 ${role === 'user' ? 'bg-indigo-600 rounded-tr-none' : 'bg-gray-700 rounded-tl-none'}`;
bubble.textContent = content;
messageDiv.appendChild(bubble);
chatContainer.appendChild(messageDiv);
chatContainer.scrollTop = chatContainer.scrollHeight;
// Save to user's chat history
const username = localStorage.getItem('chatRouterUser');
if (username) {
saveChatHistory(username);
}
}
// Handle API errors gracefully
function handleApiError(error) {
const errorMsg = error.message.toLowerCase();
if (errorMsg.includes('payment') || errorMsg.includes('unauthorized')) {
addMessage('system', '⚠️ This model requires a paid OpenRouter plan. Please select a free model to continue.');
} else {
addMessage('system', `Error: ${error.message}`);
}
}
// Send message to OpenRouter
async function sendMessage() {
const message = messageInput.value.trim();
if (!message) return;
const apiKey = apiKeyInput.value.trim();
const model = localStorage.getItem('chatRouterModel');
if (!apiKey) {
addMessage('system', 'Please enter your OpenRouter API key in settings.');
return;
}
if (!model) {
addMessage('system', 'Please select a model in settings.');
return;
}
// Add user message to chat
addMessage('user', message);
messageInput.value = '';
messageInput.style.height = 'auto';
// Show typing indicator
typingIndicator.classList.remove('hidden');
try {
const response = await fetch('https://openrouter.ai/api/v1/chat/completions', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': `Bearer ${apiKey}`,
'HTTP-Referer': window.location.href,
'X-Title': 'ChatRouter'
},
body: JSON.stringify({
model: model,
messages: [{ role: 'user', content: message }]
})
});
const data = await response.json();
if (data.error) {
addMessage('system', `Error: ${data.error.message}`);
} else if (data.choices && data.choices[0].message.content) {
addMessage('assistant', data.choices[0].message.content);
}
} catch (error) {
addMessage('system', `Error: ${error.message}`);
} finally {
typingIndicator.classList.add('hidden');
}
}
// Event listeners
newChatBtn.addEventListener('click', createNewChat);
newSidebarChat.addEventListener('click', createNewChat);
// Sidebar toggle for mobile
sidebarToggle.addEventListener('click', () => {
sidebar.classList.toggle('hidden');
});
messageInput.addEventListener('keydown', (e) => {
if (e.key === 'Enter' && !e.shiftKey) {
e.preventDefault();
sendMessage();
}
});
sendBtn.addEventListener('click', () => {
sendMessage();
});
// Initialize
loadSettings();
// Welcome message
setTimeout(() => {
if (!localStorage.getItem('chatRouterModel')) {
addMessage('system', 'Welcome to ChatRouter! Please enter your OpenRouter API key and select a model in settings to begin.');
} else if (!currentChatId) {
createNewChat();
}
}, 1000);
// Close sidebar when clicking outside on mobile
document.addEventListener('click', (e) => {
if (window.innerWidth < 768 && !sidebar.contains(e.target) && e.target !== sidebarToggle) {
sidebar.classList.add('hidden');
}
});
// Clear API key input on page refresh
window.addEventListener('beforeunload', () => {
apiKeyInput.value = '';
});
</script>
</body>
</html> |