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The Local LLM Crash Course - Build an AI Chatbot in 2 hours! (Udemy.com)

The only course you need to build a ChatGPT-like App in Python. Learn LLMs, Prompts, Hugging Face & LangChain Hands On!

Created by: Zoltan C. Toth (Nordquant)

Last updated January 2026

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What you will learn

  • Learn to use Large Language Models like Llama2 and Orca in Python locally
  • Understand Prompt Engineering techniques for making LLMs ready to Chat
  • Use Hugging Face models in Python
  • Teach an LLM to keep Conversational Memory using Prompt Engineering
  • Learn to display model responses real-time, ChatGPT-style
  • Integrate your LLM into Modern Python Chat Interfaces like Chainlit

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Quality Score

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Overall Score : 88 / 100

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Course Description

Unlock the Power of AI Chatbots on Your Own Computer!

Are you intrigued by the potential of AI but concerned about privacy and data security? Dive into the world of local large language models (LLMs) with our hands-on crash course, designed to empower you with the skills to build your very own ChatGPT-like chatbot using pure Python and later LangChain. This course cuts through the complexity, offering a direct path to deploying your LLM securely on your own devices.  We set up the environment for you so you can head start in a minute or choose to use your own computer. No Installation Needed! 


Why Learn From Me?

Hello, my name is Zoltan, your guide on this exciting journey. With years of experience in data engineering, machine learning, and software development, I've designed this course to bridge the gap between theoretical knowledge and practical skills. My expertise in leveraging these technologies ensures you learn from a seasoned professional. Join me to gain control over your AI applications, ensuring they're both powerful and private.

Course Highlights

  • Rapid Learning Path: Zero to a working local LLM in just two hours.

  • Modern Technologies: You will use Hugging Face, Chainlit and top-of-the-line LLM models

  • Hands-On Learning: Engage in a bootcamp-style, practical coding environment from the start.

  • Clear Instructions: I'll ensure you understand every step on your way to building a fully functional AI chatbot.


Why This Course Matters

In today's digital age, AI and chatbots are revolutionizing how we interact with technology. However, the true potential is unlocked when these tools are customized and controlled locally. Whether you're looking to enhance your personal projects, secure proprietary data, or simply curious about the inner workings of AI chatbots, this course provides valuable insights and skills. Big-name tech employers and innovative startups alike are searching for professionals who can navigate the complexities of AI while prioritizing privacy and security.


Who Should Enroll?

This course is perfect for:

  • Developers seeking to integrate AI into their projects without compromising on privacy.

  • Hobbyists interested in AI and looking for a secure, hands-on approach to learning.

  • Professionals aiming to enhance their resume with cutting-edge skills.

Pre-requisites: A basic understanding of programming concepts is recommended to get the most out of this course.

Not For:

  • Those seeking a deep theoretical overview without hands-on practice.

  • Individuals not comfortable with basic coding.

Your Takeaway

By the end of this course, you'll have a fully functional, locally-run AI chatbot, similar to ChatGPT, built by you. More importantly, you'll have the knowledge and confidence to apply these skills in a variety of scenarios, ensuring your digital creations remain secure and private.


Why Wait? Enroll Now!

Embrace the future of AI with confidence. This course isn't just about building a chatbot; it's about unlocking a new realm of possibilities, secure in the knowledge that you're in complete control. The course comes with a 30-day money-back guarantee, so Enroll today and take the first step toward becoming a local LLM expert!


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Instructor Details

Zoltan C. Toth (Nordquant)

I help global companies build web-scale data analytics and AI systems. Backed by 20+ years of experience in developing data-intensive applications, I spend most of my time helping companies kick-off and mature their data analytics and AI infrastructure, and give Cloud, Apache Spark, Databricks and MLOps courses regularly.


Earlier I helped Fortune 500 companies as a Principal Instructor and Consultant at Databricks. I built Prezi's (and SF startup's) big data analytics infrastructure, later led Prezi’s data engineering team, scaling it to serve 60 million users backed by a data volume over a petabyte. I also worked on kicking off the Spark integration component in RapidMiner, a global leader in predictive analytics.

Besides working with data analytics architectures, I enjoy teaching at Central European University, one of the best independent universities in Europe, and delivering courses and professional services engagements on behalf of Databricks, the company created by the original authors of Spark.

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Reviews

4.4

755 ratings on Udemy

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By Javier on 2/15/2026

I think it is a great match for me. As a developer with little experience with AI, this course is providing with some hands on practice and educating me in ai tools that were unfamiliar to me. Thank you very much for having it available.

By Bruno Ricardo Santos on 1/30/2026

I love it . It was not what I expected. Like someone else has said, there is space for a more in depth analysis of some issues, but overall, as an introduction to what we can do with huggingface and using Lanchain and Chainlit, it's good. For 2 hours, we can't expect a more in depth course. There are some issues with Langchain modules that need some upgrade on the lectures (they changed things), but nothing a good Google search won't solve. Great course.

By John Pullen on 12/23/2025

Absolutely perfect for what I wanted as an intro. I'm not a developer but a sales exec in the space and even though I have not coded in probably 15+ years, I was able to follow along, execute everything, and get a better understanding of the fundamentals behind AI Chatbots ("agents") in just a few hours. Great approach to breaking down the components... I had a blast exploring the available LLMs on Hugging Face... and now I can ask better questions of my company's development and delivery!!! Thank you!

By Nilanka Mohan Sooriyabandara on 10/21/2025

It looks like there have been some changes on Hugging Face since you recorded this video. I can't find the "playing area" shown on your screen, so I might be missing something. I've tried both the Llama and Mistral models, and while it doesn't seem critical, I just want to make sure I'm following the course correctly

By Chrisogonas Odhiambo on 1/3/2025

That was a concise course, easy to follow, zero clutter, and very helpful resource for getting chatbot foundations right. I recommend to any beginner or anyone who wants to get up to speed with chatbots. Thanks

By David Aliaga on 8/3/2024

This is a good introduction course. Fortunately it had a langchain section that it seems was added later, cause without it , the course would be too thin. I would have liked to get more langchain content, but for an introductory course, it was ok.

By Nicolas Wild on 8/1/2024

NOTE: this course is only suitable for LLM beginners! if you are already comfortable with huggingface etc. this course might be not the right one for you I am a starter in the fields of LLM. The course gave me a very good overview of how to start and what possibilities are there. I think i have all the basics i need now to start into my own LLM porject. I also appreciate the extra part about langchain.

By Burak Kılıç on 7/10/2024

This course is too easy and too short, but it is good for understanding the concepts. The instructor doesn’t teach thoroughly, only mentioning most of the important points. If you’re too lazy to search on YouTube, you can take this course. Otherwise, look for more serious courses.

By Victor K. Nip on 5/26/2024

I am a bit disappointed about the scope of the course. The course is more about implementing a private LLM rather than a local LLM. The course teaches how to host an LLM model in Github Codespace (i.e., in the cloud) rather than locally, although a student who is experienced enough will know how to implement locally with the same method. Students are taught just to implement pre-built LLMs, which has little value by itself. Students are not taught to implement an LLM trained with custom data, let alone to train such model. So what I learned here cannot help me do anything meaningful. Now I'm searching for another course for the next step (and I found a few which are at similar price level at Udemy), which probably includes everything taught here. The fact that the LangChain section was added after the course was first launched probably means the scope was not well thought through at first. I'd say if we are just given the codes discussed in the course, we can even save the 2 hours spent on the videos. This is how little I get out of the whole course.

By George Herbert on 4/13/2024

This course took me outside of my python comfort zone. It has given me the private local LLM I wanted. It also improved my python coding technique. Most notably, async functions, decorators, and making my code concise. Thanks!

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