FlashGPT is a full-stack AI chat assistant that helps developers think faster, code better, and ship smarter — powered by Groq AI with long-term memory using Pinecone vector search.
Built with a dark-first design, it supports Google OAuth login, persistent chat history, and beautifully renders markdown + code blocks in responses.
| Service | URL |
|---|---|
| Frontend | flashgpt-ai.vercel.app |
| Backend | flashgptai.onrender.com |
- AI responses powered by Groq
- Google OAuth login with session support
- Persistent chat history with saved conversations
- Bookmark and delete chat support
- Memory search using embeddings + Pinecone
- Markdown rendering for assistant responses
- Code block rendering with syntax highlighting
- Fully responsive React UI
- PWA-ready frontend setup
Frontend React · Vite · React Router · Axios · Lucide React · React Markdown · Remark GFM · Rehype Highlight · Vite PWA
Backend Node.js · Express.js · MongoDB · Mongoose · Passport Google OAuth 2.0 · Express Session · Connect Mongo · Groq SDK · Google GenAI Embeddings · Pinecone
Deployment Frontend → Vercel · Backend → Render
1. Clone the repo
git clone https://github.com/dharmapal25/FlashGPT.git
cd FlashGPT2. Install backend dependencies
cd backend
npm install3. Install frontend dependencies
cd ../frontend
npm install4. Start the backend
cd ../backend
npm start5. Start the frontend
cd ../frontend
npm run devCreate backend/.env:
GROQ_API_KEY=your_groq_api_key
GROQ_AI_MODEL=groq/compound
PORT=3000
GOOGLE_CLIENT_ID=your_google_client_id
GOOGLE_CLIENT_SECRET=your_google_client_secret
GOOGLE_CALLBACK_URL=https://flashgptai.onrender.com/auth/google/callback
GOOGLE_API_KEY=your_google_api_key
SESSION_SECRET=your_session_secret
MONGO_URI=your_mongodb_connection_string
PINECONE_API_KEY=your_pinecone_api_key
FRONTEND_URL=https://flashgpt-ai.vercel.app
REFRESH_TOKEN_SECRET=your_refresh_token_secret
ACCESS_TOKEN_SECRET=your_access_token_secretCreate frontend/.env:
VITE_BACKEND_URL=https://flashgptai.onrender.com.
├── backend
│ ├── src
│ │ ├── config
│ │ ├── controllers
│ │ ├── middleware
│ │ ├── models
│ │ ├── Routers
│ │ ├── services
│ │ └── utils
│ ├── package.json
│ └── server.js
├── frontend
│ ├── Public
│ ├── src
│ │ ├── components
│ │ ├── context
│ │ ├── pages
│ │ ├── routes
│ │ ├── services
│ │ └── style
│ └── package.json
└── README.md
Dharmapal (Flash)
Built with ❤️ by Dharmapal