🧠 GodGPT - God of All GPTs

A powerful, feature-rich chat application providing seamless access to 18+ Large Language Models through a single, elegant interface.

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🚀 Project Overview

GodGPT is a modern, production-ready chat application that unifies access to the world's most powerful AI models. Built with cutting-edge web technologies and designed for both developers and end-users, it offers a comprehensive solution for AI-powered conversations with advanced features like real-time sync, offline capabilities, and intelligent model fallbacks.

✨ What Makes GodGPT Special

18+ AI Models: Access to the latest models from OpenAI, Anthropic, Google, Meta, DeepSeek, and more
Multi MOdels Response Proccessing Queue: Queue-based multi-model responses, so you don’t have to go full psycho opening the same prompt in 5 tabs
Pre Prompt Generation: Pre-prompt generator to fix your shitty prompts, make them actually usable
Smart Fallback System: Automatic fallback to OpenRouter when user API keys aren't available
Real-time Multi-tab Sync: Conversations sync instantly across all browser tabs
BYOK: Bring Your Own Keys Support
Production Ready: Built with enterprise-grade architecture and security

🎯 Core Features

🤖 Multi-LLM Support

8 Free Models: Including DeepSeek R1, Gemini 2.5 Flash, GPT-4o Mini, Claude 3.5 Haiku
5 Premium Text Models: GPT-4.1, Claude Sonnet 4, Gemini 2.5 Pro, and more
3 Image Models: DALL-E 3/2, Stable Diffusion 3.5
2 Vision Models: GPT-4o, GPT-4V for image analysis
Smart Model Selection: Detailed model capability icons

🔐 Authentication & Security

Better Auth Integration: Modern, secure authentication system
Multiple Providers: Google OAuth, GitHub OAuth
Session Management: Secure session handling with automatic expiration
API Key Management: Secure storage of user API keys with encryption

💾 Data Management

Dual Storage System: PostgreSQL for server data, Dexie.js for offline capabilities
Real-time Synchronization: Instant sync across devices and browser tabs
Persistent Chat History: Never lose your conversations
Usage Tracking: Monitor API usage and rate limits

🎨 Modern UI/UX

Responsive Design: Perfect experience on desktop, tablet, and mobile
Dark/Light Themes: System preference detection with manual override

🚀 Advanced Features

Streaming Responses: Real-time message streaming with typing indicators
Multi-tab Sync: Continue conversations seamlessly across browser tabs
Error Recovery: Automatic retry logic with graceful error handling
Syntax Highlighting: Beautiful code rendering with copy functionality

🛠️ Tech Stack

Core Framework

Next.js - React framework with App Router
TypeScript - Type-safe development

Database & Storage

Prisma - Next-generation ORM
PostgreSQL - Robust relational database (Neon)
Dexie.js - Client-side IndexedDB wrapper for offline support

Authentication & Security

Better Auth - Modern authentication solution
bcryptjs - Password hashing
OAuth Providers - Google, GitHub integration

AI & APIs

AI SDK 4.3.16 - Vercel's AI SDK for streaming
OpenRouter Provider - Access to multiple LLM providers
Google AI SDK - Direct Google Gemini integration
OpenAI SDK - Direct OpenAI API integration

UI & Styling

Tailwind CSS 4.1.8 - Utility-first CSS framework
Radix UI - Unstyled, accessible components
Lucide React - Beautiful icon library
Next Themes - Theme switching capabilities

State Management & Utils

Zustand 5.0.5 - Lightweight state management
React Hook Form - Performant form handling
Zod 3.25.56 - Schema validation
Lodash 4.17.21 - Utility library

🏗️ Architecture

Smart Model Fallback System

// Example: Premium models automatically fallback to OpenRouter
'GPT-4.1': {
  modelId: 'gpt-4.1',
  provider: 'openai',
  fallbackProvider: 'openrouter',
  fallbackModelId: 'openai/gpt-4.1',
}

Real-time Multi-tab Synchronization

Broadcast Channel API for cross-tab communication
Optimistic Updates for instant UI feedback
Conflict Resolution for simultaneous edits
Streaming State Sync across all active sessions

Offline-First Data Layer

Dexie.js for client-side persistence
Background Sync when connection restored
Conflict Resolution between local and server state
Optimistic UI Updates for responsive experience

🚀 Getting Started

Prerequisites

Node.js 18+ or Bun (recommended)
PostgreSQL Database (or Neon for cloud)
Git for version control

Installation

Clone the repository

git clone https://github.com/yourusername/godgpt.git
cd godgpt

Install dependencies

# Using bun (recommended)
bun install

# Or using npm
npm install

Configure your environment

# Database
DATABASE_URL="your-postgresql-connection-string"

# Better Auth
BETTER_AUTH_SECRET="your-secret-key-32-chars-minimum"
BETTER_AUTH_URL="http://localhost:3000"

# OAuth Providers (optional)
GOOGLE_CLIENT_ID="your-google-client-id"
GOOGLE_CLIENT_SECRET="your-google-client-secret"
GITHUB_CLIENT_ID="your-github-client-id"
GITHUB_CLIENT_SECRET="your-github-client-secret"

# OpenRouter (required for free models)
OPENROUTER_API_KEY="sk-or-v1-your-api-key-here"

# Image Generation (optional)
IMAGEROUTER_API_KEY="your-imagerouter-key"
CLOUDINARY_CLOUD_NAME="your-cloudinary-name"
CLOUDINARY_API_KEY="your-cloudinary-key"
CLOUDINARY_API_SECRET="your-cloudinary-secret"

Set up the database

npm run db:push

Start the development server

npm run dev

Open your browser Navigate to http://localhost:3000

🔧 Environment Setup

Required Environment Variables

Variable	Description	Required
`DATABASE_URL`	PostgreSQL connection string	✅
`BETTER_AUTH_SECRET`	Secret for authentication	✅
`BETTER_AUTH_URL`	Application URL	✅
`OPENROUTER_API_KEY`	OpenRouter API key for free models	✅

Optional Environment Variables

Variable	Description	Required
`GOOGLE_CLIENT_ID`	Google OAuth client ID	❌
`GOOGLE_CLIENT_SECRET`	Google OAuth client secret	❌
`GITHUB_CLIENT_ID`	GitHub OAuth client ID	❌
`GITHUB_CLIENT_SECRET`	GitHub OAuth client secret	❌
`IMAGEROUTER_API_KEY`	Image generation API key	❌
`CLOUDINARY_*`	Cloudinary configuration	❌

Getting API Keys

OpenRouter: Sign up at openrouter.ai - Required for free models
Google OAuth: Create project at Google Cloud Console
GitHub OAuth: Create app at GitHub Developer Settings
Neon PostgreSQL: Create database at neon.tech

📱 Usage

Starting Your First Chat

Sign up with email, Google, or GitHub
Select a model from the dropdown (18+ options available)
Start chatting - responses stream in real-time
Upload images for vision-capable models

Advanced Features

Can Select Multiple Models too (optional)
Multi-tab Sync: Open multiple tabs - conversations sync instantly
Offline Mode: Continue chatting even without internet
Model Switching: Change models mid-conversation
Chat History: Access all previous conversations
Code Highlighting: Beautiful syntax highlighting for code blocks

Model Categories

🆓 Free Models (No API key required)

DeepSeek R1 0528 - Latest reasoning model
Gemini 2.5 Flash - Fast Google model with vision
GPT-4o Mini - OpenAI's efficient model with vision
Claude 3.5 Haiku - Anthropic's fast model
Meta-Llama 3.3 70B - Meta's open source model

💎 Premium Models (User API key recommended)

Claude Sonnet 4 - Anthropic's latest flagship
GPT-4.1 - OpenAI's advanced model
Gemini 2.5 Pro - Google's most capable model
GPT-4o - OpenAI's multimodal model
GPT-4V - Enhanced vision capabilities

🎨 Image Generation

DALL-E 3 - OpenAI's latest image generator
DALL-E 2 - Reliable image generation
Stable Diffusion 3.5 - Open source image generation

🏗️ Project Structure

godgpt/
├── app/                    # Next.js App Router
│   ├── api/               # API routes
│   │   ├── auth/         # Authentication endpoints
│   │   ├── chat/         # Chat completion endpoint
│   │   ├── image/        # Image generation endpoint
│   │   └── upload/       # File upload endpoint
│   ├── globals.css       # Global styles
│   └── layout.tsx        # Root layout
├── frontend/              # Client-side code
│   ├── components/       # React components
│   │   ├── ui/          # Reusable UI components
│   │   └── userdashboard/ # User dashboard components
│   ├── dexie/           # Offline database layer
│   ├── hooks/           # Custom React hooks
│   ├── routes/          # Route components
│   └── stores/          # Zustand state stores
├── lib/                  # Shared utilities
├── prisma/              # Database schema and migrations
└── public/              # Static assets

🚀 Deployment

Vercel (Recommended)

Connect your GitHub repository to Vercel
Add environment variables in Vercel dashboard
Deploy automatically on push to main branch

Cloudflare Workers (Edge)

bun run build
wrangler deploy

Docker

FROM node:18-alpine
WORKDIR /app
COPY package*.json ./
RUN npm install
COPY . .
RUN npm run build
EXPOSE 3000
CMD ["npm", "start"]

🤝 Contributing

We welcome contributions! Please see our Contributing Guide for details.

Development Workflow

Fork the repository
Create a feature branch: git checkout -b feature/amazing-feature
Commit your changes: git commit -m 'Add amazing feature'
Push to the branch: git push origin feature/amazing-feature
Open a Pull Request

📈 Future Implementation

Voice Chat - Speech-to-text and text-to-speech
Branch Chat - supports branching of chats
File Analysis - PDF, CSV, and document processing
Plugin System - Extensible plugin architecture
Team Workspaces - Collaborative chat environments like share chat
Advanced Analytics - Usage statistics and insights
Mobile Apps - Native iOS and Android applications

🔒 Security

End-to-end Encryption for API keys
Rate Limiting to prevent abuse
Input Sanitization for XSS protection
CSRF Protection with secure tokens
Secure Headers with Next.js security headers

📝 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

Next.js Team for the incredible framework
Vercel for the AI SDK and deployment platform
Better Auth for modern authentication
OpenRouter for unified LLM access
Neon for serverless PostgreSQL
Open Source Community for all the amazing tools

Built with ❤️ by Neeraj (me) and Deepak (https://github.com/oneWritesCode)

"We want to make our app as its name"

Name		Name	Last commit message	Last commit date
Latest commit History 23 Commits
.million		.million
app		app
frontend		frontend
hooks		hooks
lib		lib
prisma		prisma
public		public
.gitignore		.gitignore
README.md		README.md
components.json		components.json
eslint.config.mjs		eslint.config.mjs
next.config.ts		next.config.ts
open-next.config.ts		open-next.config.ts
package-lock.json		package-lock.json
package.json		package.json
pnpm-lock.yaml		pnpm-lock.yaml
postcss.config.mjs		postcss.config.mjs
todos.md		todos.md
tsconfig.json		tsconfig.json
wrangler.jsonc		wrangler.jsonc

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