GPT-4 Lite AI Chatbot

An open-source AI chatbot app built with React 18, Next.js, OpenAI, and Supabase.

Description · Features · Model Provider · Running locally ·

Description

This project strives to develop an AI chatbot assistant designed to assist users with a wide range of tasks and provide answers to their queries. The chatbot leverages the capabilities of the OpenAI API and service, enabling it to furnish users with valuable information and execute tasks on their behalf. The project is implemented in a TypeScript environment and hosted on Vercel. To ensure reliability and performance, the chatbot deployed on an edge runtime.

Link: https://chatbot-gpt4-lite.vercel.app/

chatbot-base.mp4

Features

Next.js App Router
React Server Components (RSCs), Edge Functions, and Vercel AI for serverless AI
Vercel AI SDK for streaming chat UI
Edge runtime-ready
Styling
- Styling with Tailwind CSS
- Icons from Heroicons
React Markdown and React Syntax highlighter, for rendering markdown and code blocks.
Supabase Auth and Github OAuth for authentication and authorizing users.
Supabase DB as the database solution.
StripeJS for payment processing.

Model Provider

This project comes with OpenAI gpt-4-0134 , gpt-3.5-turbo as the fallback option. With the help of the OpenAI sdk OpenAI SDK, we can initialize a stream for responses between the client and the api.

const messages = [{ "User" : "Who is the president of America?" }]

const response = await openai.createChatCompletion({
    model: "gpt-3.5-turbo",
    messages,
    temperature: 0.5,
    stream: true,
});

const stream = OpenAIStream(response);
return new StreamingTextResponse(stream);

Running locally

You will need to have the necessary environment variables setup in your .env file to run Next.js AI Chatbot. This include keys for your OpeinAI account, Supabase account, and Stripe account, Github Outh Client, Github Outh Secret.

OPENAI_API_KEY =
SUPABASE_URL =
SUPABASE_ANON_KEY =
STRIPE_PUBLISHABLE_KEY =
STRIPE_WEBHOOK_KEY =
STRIPE_SECRET_KEY =
GITHUB_CLIENT_ID =
GITHUB_CLIENT_SECRET =

Note: You should not commit your .env file or it will expose secrets that will allow others to control access to your various OpenAI and authentication provider accounts.

Install run: pnpm i
Make a new .env file.
Populate the .env file with the necessary environment variables.

pnpm run build
pnpm run start

In case you are listening to Stripe webhooks:

stripe login
stripe listen --forward-to localhost:3000/api/webhooks/stripe

Your app template should now be running on localhost:3000.

Running locally with docker

docker login
docker pull korebhaumik/gpt-4-lite:latest.
docker run -env-file .env -p 3000:3000 korebhaumik/gpt-4-lite