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ChatGPT Lite is a fast ChatGPT UI application developed using Next.js. It supports both OpenAI and Azure OpenAI accounts.

Example use cases for GPT Lite include:

• A cost-effective alternative to ChatGPT's free version or Plus subscription ($20/month) by deploying a custom webchat UI with API integration.
• Deploying a custom ChatGPT web app to explore OpenAI's ChatGPT completion API and prompting capabilities.
• Creating a private web-based ChatGPT for exclusive use among friends without sharing an API key.
• A high-quality code base that serves as an excellent starting point for your next AI Next.js project.

Visit ChatGPT Minimal for a beginner-friendly version of the ChatGPT UI code base.

Live Demo

You'll need either an OpenAI account or an Azure OpenAI account.

1. Install NodeJS 18.
2. Clone the repository.
3. Install dependencies with npm install.
4. Copy .env.example file to .env.local and update environment variables.
5. Start the application using npm run dev.
6. Visit http://localhost:3000 in your browser.

1. Clone the repository and navigate to the root directory.
2. Update the OPENAI_API_KEY environment variable in the docker-compose.yml file.
3. Build the application using docker-compose build ..
4. Start it by running docker-compose up -d.

Click the button below to deploy to Vercel:

You will need to use the environment variables defined in .env.example to run the application. Below is an explanation of each environment variable:

For OpenAI-specific environments:

For Azure Open AI-specific environments:

We welcome PRs of any size.

This code is intended solely for demonstration and testing purposes.