# Build and Deploy a RAG Chatbot with JavaScript, LangChain.js, Next.js, Vercel, OpenAI

> Unlock the power of AI with our course on building and deploying RAG chatbots. Master JavaScript, Next.js, Vercel, and OpenAI to create chatbots that deliver real-time, accurate responses. Perfect for both beginners and experienced developers.

- Type: Video course
- Page: https://completeaitraining.com/course/video-course-build-and-deploy-a-rag-chatbot-with-javascript-langchainjs-nextjs-vercel-openai/
- Published: 2025-04-16
- Updated: 2025-09-18
- Author: Jeroen Erne
- Jobs: IT and development
- Topics: Coding, Generative AI and LLM
- AI tools: OpenAI
- Level: Intermediate, Expert, Technical
- Length: 2 hours
- Reading time: 10 min

## The rest of this video course is for members

Everything above is free. The video course itself is part of a Complete AI Training membership, together
with every other course, certification and prompt on the site.

- Read the page: https://completeaitraining.com/course/video-course-build-and-deploy-a-rag-chatbot-with-javascript-langchainjs-nextjs-vercel-openai/
- See what a membership costs and what is in it: https://completeaitraining.com/pricing/
- Already a member? Sign in and open the page: https://completeaitraining.com/signin/

---

This is the Markdown form of https://completeaitraining.com/course/video-course-build-and-deploy-a-rag-chatbot-with-javascript-langchainjs-nextjs-vercel-openai/. The whole site is mapped at https://completeaitraining.com/llms.txt.