OpenGPT

AI SDKNext.jsTypeScript

OpenGPT is a modern, responsive ChatGPT clone built for the web. It brings AI-powered conversations with advanced reasoning and tool calls while ensuring a smooth user experience through streaming and real-time updates.

Features

• AI Chat: Engage in intelligent conversations powered by OpenRouter and AI SDK.
• Streaming Responses: Messages from the AI are streamed in real-time for a natural chat experience.
• Markdown Correction: Uses Streamdown to automatically correct and format Markdown responses.
• Tool Calls & Reasoning: Execute tools and get reasoning-based answers directly in the chat.
• Rate Limiting: New users can interact with the app up to 3 times before signing in, ensuring controlled access.
• Authentication: Secure Google OAuth login for registered users.
• Responsive Design: Works seamlessly across desktop and mobile devices.

Tech Stack

• Frontend & Backend: Next.js, AI Elements, Streamdown, Shadcn, TailwindCSS, Framer Motion
• AI & Chat: AI SDK, AI Gateway, OpenRouter
• Database: Neon (PostgreSQL) with Drizzle ORM
• Authentication: Google OAuth and E-mail login using BetterAuth
• Markdown Correction: Streamdown
• Deployment: Vercel

OpenGPT is built with a focus on scalability, performance, and user experience, combining cutting-edge AI tools with modern web technologies.