AI for NodeJs devs: OpenAI, ChatGPT, LangChain – TypeScript

AI for NodeJs devs OpenAI, ChatGPT, LangChain - TypeScript


It’s time to add AI to your JavaScript/TypeScript app!

AI for NodeJs devs with OpenAI and LangChain is an advanced course designed to empower developers with the knowledge and skills to integrate artificial intelligence (AI) capabilities into Node.js applications. This course is tailored for developers who are proficient in Node.js and wish to explore the fascinating realm of AI-driven solutions.

Throughout the course, participants will delve into various AI conceptsalgorithms, and frameworks, focusing on their practical implementation within Node.js environments.

Key topics covered in this course include:

  • Introduction to AI and its applications in Node.js
  • OpenAI setup for basic apps
  • Understanding models, tokens and roles
  • OpenAI request parameters

Practice apps:

  • ChatGPT clone in the console
  • App features: history, context and token limit
  • OpenAI tools app
  • OpenAI tools parameters

Key topics for AI development:

  • Embeddings – presentation, persistence, load
  • Similarity search using cosine or dot product

Vector databases:

  • Introduction and setup
  • ChromaDB setup
  • Building a ChromaDB server with Docker
  • Building a ChromaDB client with NodeJS
  • Pinecone Vector database setup
  • Pinecone indexes and index operations
  • Building apps backed by Pinecone

Dedicated section for LangChain, the most popular LLM apps wrapper:

  • LangChain introduction and setup
  • LangChain prompt templates
  • LangChain output parsers
  • Building RAG applications with LangChain
  • Web and file LangChain loaders

What if you want to run the AI models yourself on your own machine? This is possible with open source models!

We will explore Hugging face and it’s APIs and open source models for local LLM apps:

  • Local embeddings
  • Translation models
  • Text models
  • Voice models
  • Image models

Since all the used libraries are build with TypeScript and offer great TS support, the course also contains a TypeScript recap section:

  • TypeScript type aliases
  • The TypeScript compiler
  • Functions, special types, any and unknown
  • Enums and the never type
  • TypeScript generics
  • TypeScript classes
  • …and many more features.

Course advantages:

  • Beyond the basics – after finish, you can directly use this knowledge into production code
  • Practical knowledge – presentations are kept to a minimum, we focus on what is really important
  • Logical and flexible structure – take the course at your own pace
  • Fast paced, concise, most typing cut out – focus on explanations – respect for your time
  • Big font, dark background, full HD content, this way it is readable even on a small screen or even tablet.
  • Lifetime access
  • Certificate of completion to present to your current or prospective employer
  • Q&A active instructor

Go beyond the theory and learn from an active instructor, aligned with today’s programming demands!

Whether you’re a seasoned NodeJs developer looking to expand your skill set or a newcomer interested in harnessing the power of AI, AI for NodeJS offers an exciting journey into the intersection of artificial intelligence and modern web development. Enroll and unlock the potential to create intelligent, cutting-edge applications with NodeJs!

Who this course is for:

  • NodeJS and JS developers who want to add AI capabilities to their apps with OpenAI and LangChain


  • Basic JavaScript/TypeScript knowledge
  • Basic understand of NPM packages and node modules
  • OpenAI/Huggingface accounts

Last Updated 2/2024

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