Top 6 Udemy Courses for Fine-tuning Large Language Models in 2025

My favorite Udemy courses to learn LLM fine tuning in 2025

Hello guys, in the fast-evolving world of AI, Large Language Models (LLMs) like GPT, LLaMA, Phi-2, and Mistral are becoming foundational tools across industries. From smart chatbots and personal assistants to domain-specific knowledge bots in healthcare, law, and finance — LLMs are everywhere.

But here’s the thing: pre-trained models are general-purpose. They’re trained on vast internet data, not on your unique business or domain-specific data. That’s where fine-tuning comes in.

By fine-tuning an LLM on your own data, you create a model that’s smarter, more relevant, and highly optimized for your specific use case.

Think of fine-tuning as giving your LLM a memory upgrade — so it speaks your language, understands your users, and solves your problems more efficiently.

If you want to learn how to fine-tune LLM and looking for resources then you have come to the right place. Earlier, I have shared best ChatGPT courses, best Data Science courses and best Machine Learning courses as well as 10 Must Read AI And LLM Engineering Books and in this article, I am going to share best Udemy courses to learn how to fine tune LLMs in 2025.

If you’re a developer, data scientist, AI engineer, or even a product manager looking to customize GenAI apps, these top-rated Udemy courses are the best way to learn hands-on LLM fine-tuning in 2025.

Let’s dive into the 6 best courses to master this game-changing skill.

By the way, if you are new to AI world then I highly recommend you to start with The AI Engineer Course 2025: Complete AI Engineer Bootcamp, one of the most comprehensive resource to become an AI Engineer in 2025.

Let’s dive in!

6 Best Udemy Courses to Learn How to Fine-Tune Large Language Models in 2025

Here are my favorite Udemy courses to learn fine tuning LLMs with Hugging Face Transformers and others. These courses covers most of popular models.

1. 2025 Fine Tuning LLM with Hugging Face Transformers for NLP

This Udemy course dives deep into the Hugging Face ecosystem and helps you master transformer models like Phi2, LLAMA, and BERT for real-world NLP use cases. It’s perfect if you want hands-on experience with fine-tuning on custom datasets.

What you’ll learn:

  • Tokenizers, Transformers, Datasets libraries
  • Fine-tuning pre-trained models
  • Custom text classification and NLP applications

This course is ideal for developers and data scientists who want to build production-grade NLP pipelines.

Here is the link to join this course — 2025 Fine Tuning LLM with Hugging Face Transformers for NLP

2. LLM Engineering: Master AI, Large Language Models & Agents

This bestseller Udemy LLM course walks you through building 8 real-world LLM projects. It covers everything from basics to advanced use cases like Retrieval-Augmented Generation (RAG), LoRA fine-tuning, and deploying AI agents.

What you’ll learn:

  • LLM architecture and fine-tuning techniques
  • Deploying LLMs in production
  • Agents, RAG, and parameter-efficient tuning

This Udemy course is Ideal for learners who want a full-stack LLM engineering experience.

Here is the link to join this course — LLM Engineering: Master AI, Large Language Models & Agents

3. LLM Fine Tuning on OpenAI

If you’re focused on OpenAI models like GPT-3.5 and GPT-4, this short and practical course by Jose Portilla is a great place to start. It focuses entirely on how to fine-tune OpenAI models using your own datasets.

What you’ll learn:

  • Preparing and formatting your dataset
  • Using OpenAI’s fine-tuning API
  • Best practices and limitations

Best for professionals already working with OpenAI tools who want to customize responses.

Here is the link to join this course — LLM Fine Tuning on OpenAI

4. LLM Fine Tuning Fundamentals + Fine tune OpenAI GPT model

This course helps you build foundational knowledge of LLMs and provides hands-on labs for fine-tuning GPT models using OpenAI. It’s great for both technical and semi-technical professionals.

What you’ll learn:

  • Prompt engineering basics
  • Preparing training data
  • Model deployment post fine-tuning

Best for learners looking to understand fine-tuning step-by-step.

Here is the link to join this course — LLM Fine Tuning Fundamentals + Fine tune OpenAI GPT model

5. LLM — Fine tune with custom data

A very practical course that walks through fine-tuning GPT 3.5 Turbo using your own data with OpenAI and the Gradient platform. Excellent if you’re working with real datasets.

What you’ll learn:

  • Dataset pre-processing
  • Using platforms like Gradient
  • Deploying fine-tuned GPT models

Ideal for technical professionals who want quick wins with production-grade LLMs.

Here is the link to join this course — LLM — Fine tune with custom data

6. 2025 — Understand, Test, Fine-tune AI Models with Hugging Face

A beginner-friendly course that goes beyond fine-tuning. It also teaches you how to test and evaluate LLMs using Hugging Face. A great pick for those new to NLP and LLMs.

What you’ll learn:

  • NLP pipeline with Hugging Face
  • Evaluation metrics and testing
  • Fine-tuning strategies

Best for absolute beginners entering LLM engineering.

Here is the link to join this course — 2025 — Understand, Test, Fine-tune AI Models with Hugging Face

That’s all about the top 6 Udemy courses to learn how to fine tune Large Language Models or LLMs in 2025. Fine-tuning is not just for researchers anymore. With powerful platforms like Hugging Face, OpenAI, and tools like LoRA, anyone can create high-performing AI systems trained on their own datasets.

Whether you’re building a domain-specific assistant, AI agent, chatbot, or content generator — knowing how to fine-tune gives you control over performance, reliability, and user experience.

These Udemy courses are beginner-friendly, up-to-date with the 2025 tech landscape, and built by top instructors. So, what are you waiting for?

By the way, if you want to join multiple course on Udemy, its may be worth getting a Udemy Personal Plan, which will give instant access of more than 11,000 top quality Udemy courses for just $30 a month.

If you got a lot of time and want to save money, Udemy Personal Plan will be perfect for you.

If you found this helpful, don’t forget to share or bookmark it for your AI learning journey!

Other AI, LLM, and Machine Learning resources you may like

Thanks a lot for reading this article so far, if you like these best LLM fine-tuning courses on Udemy then please share with your friends and colleagues. If you have any feedback or questions then please drop a note.

P. S. — If you want to learn from books and looking for best AI and LLM Books then I highly recommend you to read AI Engineering by Chip Huyen and The LLM Engineering Handbook by Paul Iusztin and Maxime Labonne, both of them are great books and my personal favorites. They are also highly ecommend on REddit and HN.

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