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LangChain For Generative AI: Using OpenAI LLMs in Python (Udemy.com)

Learn how to connect LangChain to OpenAI to work with LLMs in Python through practical examples.

Created by: Tensor Teach

Last updated July 2025

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What you will learn

  • Learn how to work with Langchain in Python
  • Learn how to build Langchain Agents
  • Learn how embeddings work and how to work with a vector store in Langchain
  • Understand how large language models (LLMs) & embeddings work
  • Learn how to connect Langchain to OpenAI's API suite

How it compares

Against the other 461 rated Udemy courses in Data Science on CourseDuck:

  • Rating4.4 out of 5higher than 28% of them
  • Reviews710#190 of 462 by number of reviews
  • Length2.4 hoursshorter than 87% of them
  • Last updatedJuly 2025earlier than 54% of them

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Course Description

This course is designed to empower developers, this comprehensive guide provides a practical approach to integrating LangcChain with OpenAI and effectively using Large Language Models (LLMs) in Python.

In the course's initial phase, you'll gain a robust understanding of what Langchain is, its functionalities and components, and how it synergizes with data sources and LLMs. We'll briefly dive into understanding LLMs, their architecture, training process, and various applications. We'll set up your environment with a hands-on installation guide and a 'Hello World' example using Google Colab.

Subsequently, we'll explore the LangChain Models, covering different types such as LLMs, Chat Models, and Embeddings. We'll guide you through loading the OpenAI Chat Model, connecting LangChain to Huggingface Hub models, and leveraging OpenAI's Text Embeddings.

The course advances to the essential aspect of Prompting & Parsing in LangChain, focusing on best practices, delimiters, structured formats, and effective use of examples and Chain of Though Reasoning (CoT).

The following sections focus on the concepts of Memory, Chaining, and Indexes in LangChain, enabling you to handle complex interactions with ease. We will study how you can adjust the memory of a chatbot, the significance of Chaining, and the utility of Document Loaders & Vector Stores.

Finally, you'll delve into the practical implementation of LangChain Agents, with a demonstration of a simple agent and a walkthrough of building an Arxiv Summarizer Agent.

By the end of this course, you'll have become proficient in using LangChain with OpenAI LLMs in Python, marking a significant leap in your developer journey. Ready to power up your LLM applications? Join us in this comprehensive course!

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Instructor Details

Tensor Teach

TensorTeach delivers AI education that blends theoretical foundations with real-world applications. Our content is designed to make complex concepts in machine learning, deep learning, and data science accessible, rigorous, and practical. We focus on helping learners build a deep understanding of core principles while developing the skills needed to apply them in real-world scenarios.

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Reviews

4.4

710 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Anonymized User on 9/5/2025

The concepts and instructions are very well explained, without assuming too much background knowledge. Highly recommend!

By Suraj Pan on 9/2/2025

To the point and straight forward. There is too much fast scrolling in videos, which makes me hard to view the video again or rewind. Course is good.

By SENTHIL VEL P N on 11/3/2024

Audio is bad. Could not able to clearly hear what the speaker talked.

By Scott Rolfe on 10/7/2024

i like it - still like it - but Section 2.8 would not display - hmmm - will have to go back and try to make it work somehow

By Akbar Gherbal on 1/11/2024

This is the second course I took from this tutor, and it was good money spent. One thing I appreciate about this tutor is the conciseness of his courses, which take about 2 hours and can be completed in a day or two, yet they're packed with useful knowledge and tips and tricks. I definitely would recommend buying from them more courses about NLP and large language models.

By Anonymized User on 12/21/2023

Its very to easy to learn the concepts and instructor is giving clear explanation and The most likely part is Code , he is giving so much of code examples with explanation. Thanks for the course!

By Siowlim chow on 12/7/2023

Concise and precise presentation. Time is critical to me; straightforward is the way for me.

By Ben Liong on 7/26/2023

The instructor was able to provide a gradual but sufficiently in-depth step by step guide towards the learners being able to use chainlang in a useful manner. This is obviously a beginners course but it provides a great stepping stone towards more advance understanding and practice.

By Peter Adewale on 7/9/2023

it looks really easier and possible than i have encountered in other youtube lessons.

By Michael Kogan on 6/19/2023

Generally a good course covering most of LangChain capabilities. Some of the topics are not as clear as I would wish them to be.

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Overall Score : 88 / 100