Introduction to LLM Fine-Tuning with LoRA and QLoRA — WalkSelf
4.6 (18) ⏱ 2h 42m 📚 27 lessons 🎧 Audio version

Introduction to LLM Fine-Tuning with LoRA and QLoRA

Learn how to adapt open-source large language models to your own datasets using efficient techniques without requiring massive computing power.

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About this course

Large language models are powerful out of the box, but they truly excel when customized for specific tasks and domain knowledge. If you want to train an open-source model on your own data efficiently, you need to master parameter-efficient fine-tuning. This course guides you through the process of taking foundational open-source LLMs and adapting them to your unique use cases. You will explore the core theory behind model customization and read through practical code snippets to apply LoRA and QLoRA techniques, transforming general models into highly specialized tools. What you'll learn: - Understand the foundational concepts of large language models and parameter-efficient fine-tuning (PEFT). - Prepare, clean, and format custom text datasets for effective model training. - Apply LoRA and QLoRA techniques to fine-tune models efficiently on standard hardware. - Configure modern Python virtual environments and manage dependencies for AI projects. - Evaluate fine-tuned model performance using basic prompt engineering and systematic testing methods. - Save, export, and run your customized open-source models locally. The course begins with essential AI terminology, defining how neural networks process text, before moving into practical, text-based coding exercises. You will progress step-by-step from dataset preparation to model evaluation, building a solid understanding of the modern fine-tuning pipeline through clear written instructions and code examples. This course is designed for beginners and aspiring developers; no prior machine learning experience is required, though a basic familiarity with reading Python code will be helpful. Start your journey into AI customization and learn to fine-tune your first LLM today.

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Reviews (18)

Piotr Nowak PL
★ 4 · July 22, 2026

Od dawna chciałem spróbować dostosować model open-source do własnych danych, ale bałem się, że będzie to zbyt skomplikowane technicznie. Ten kurs krok po kroku pokazuje różnicę między LoRA a QLoRA i kiedy warto użyć której metody. Ćwiczenia z kwantyzacją modelu były dla mnie najbardziej wartościowe, bo w końcu zrozumiałem, jak trenować duże modele na skromniejszym sprzęcie. Momentami tempo w drugiej połowie kursu jest trochę za szybkie i trzeba cofać nagranie. Mimo to skończyłem kurs z konkretną wiedzą, którą od razu wykorzystałem przy własnym projekcie.

Nguyễn Văn Phát VN Verified learner
★ 5 · July 17, 2026

Khóa học giải thích rất rõ ràng lý do tại sao LoRA giúp tiết kiệm tài nguyên khi tinh chỉnh mô hình lớn thay vì huấn luyện lại toàn bộ. Phần thực hành với QLoRA trên bộ dữ liệu tự chọn giúp mình hiểu sâu hơn nhiều so với chỉ đọc tài liệu. Giảng viên trình bày theo trình tự logic nên dù mới bắt đầu cũng không bị choáng ngợp.

Carolina Dias PT Verified learner
★ 5 · July 15, 2026

Sempre achei fine-tuning de LLM algo complicado demais para tentar sozinho, mas o curso desmistifica o processo com LoRA e QLoRA passo a passo. Os exercícios práticos usando datasets próprios ajudam muito a fixar o conteúdo. Terminei o curso conseguindo treinar meu primeiro modelo adaptado sem travar em nenhuma etapa.

Gülhanım Özdemir TR Verified learner
★ 4 · July 14, 2026

LoRA ve QLoRA arasındaki farkı bu kadar net anlatan başka bir kaynak görmemiştim, tek eksik biraz daha fazla gerçek dünya örneğiydi.

Ifeanyi Nwankwo NG Verified learner
★ 4 · July 9, 2026

Solid walkthrough of LoRA and QLoRA fine-tuning, though I wish the dataset preparation section went a bit deeper.

Đặng Thị Yến VN Verified learner
★ 5 · July 7, 2026

Mình từng nghĩ fine-tuning mô hình ngôn ngữ lớn là thứ chỉ dành cho các team có nhiều GPU khủng, nhưng khóa học này chứng minh điều ngược lại với QLoRA. Cách giải thích về lượng tử hóa 4-bit rất trực quan, dễ hình dung dù không rành toán sâu. Sau khóa học mình đã tự fine-tune được một mô hình nhỏ trên tập dữ liệu riêng của mình.

Jonas Bauer CH Verified learner
★ 5 · July 3, 2026

Endlich habe ich verstanden, wie ich ein offenes Modell auf meinen eigenen Datensatz anpasse, ohne eine teure GPU-Farm zu brauchen. Die Erklärungen zu LoRA und QLoRA waren so klar, dass ich das Feintuning gleich auf meinem bescheidenen Rechner ausprobieren konnte. Besonders der Vergleich, wann sich welche Methode lohnt, hat mir richtig weitergeholfen.

Felix Neumann CH Verified learner
★ 4 · June 28, 2026

Der Kurs bringt einem Schritt für Schritt bei, wie man Open-Source-LLMs mit LoRA und QLoRA auf eigene Daten anpasst, ohne dass man ein riesiges GPU-Budget braucht. Besonders die Erklärung der Quantisierung war für mich ein Aha-Moment. Etwas mehr Übungsdaten für unterschiedliche Anwendungsfälle wären trotzdem schön gewesen.

Alice Dupont LU Verified learner
★ 4 · June 21, 2026

J'avais déjà lu plusieurs articles sur le fine-tuning des LLM mais je n'arrivais jamais à passer à la pratique. Ce cours explique très bien la différence entre LoRA et QLoRA, avec des schémas qui rendent la quantification beaucoup plus claire. La partie où l'on entraîne un modèle sur son propre jeu de données est vraiment satisfaisante, on voit concrètement le résultat. Le seul bémol, c'est que la configuration de l'environnement au début prend plus de temps que prévu et aurait mérité un chapitre à part. Malgré ça, je repars avec une compréhension solide et surtout la capacité de reproduire l'exercice sur mes propres projets.

Gustavo Teixeira BR Verified learner
★ 4 · June 18, 2026

Já tinha tentado entender fine-tuning de LLMs por conta própria lendo artigos, mas sempre me perdia nos detalhes técnicos. Esse curso organiza tudo de forma lógica, começando pelos conceitos de LoRA até chegar na versão quantizada com QLoRA. A parte que mais gostei foi quando o instrutor mostra na prática como adaptar um modelo aberto para um dataset específico, com resultados visíveis logo no primeiro treino. O ritmo das aulas é bom, mas senti falta de mais exemplos usando datasets em português. Ainda assim, saí do curso com confiança suficiente para aplicar o que aprendi em um projeto real.

محمد الأمين DZ Verified learner
★ 5 · June 15, 2026

बहुत उपयोगी और आसानी से समझ आने वाला कोर्स।

清水 結月 JP Verified learner
★ 5 · June 12, 2026

LoRAとQLoRAの仕組みが図解でスッと頭に入ってきて、自分のデータセットでもすぐに試せました。

Ahmad bin Abdullah MY Verified learner
★ 5 · June 8, 2026

Saya selalu fikir fine-tuning LLM ni terlalu teknikal untuk saya cuba sendiri, tapi kursus ini pecahkan setiap konsep LoRA dan QLoRA dengan cara yang senang difahami. Latihan praktikal menggunakan dataset sendiri betul-betul membantu untuk faham bagaimana proses training berjalan. Saya keluar dari kursus ini dengan model yang berjaya saya latih sendiri, sesuatu yang saya tak sangka boleh capai.

Giulia Bianchi IT
★ 5 · June 6, 2026

Ho seguito diversi corsi introduttivi sull'intelligenza artificiale, ma questo è il primo che entra davvero nel dettaglio tecnico del fine-tuning con LoRA e QLoRA. La spiegazione della quantizzazione a 4 bit è chiarissima e permette di capire perché si riescono ad addestrare modelli grandi anche con risorse limitate. Gli esercizi pratici sui propri dataset sono il punto forte del corso, perché si vede subito il risultato concreto. Il docente usa un linguaggio semplice anche quando tratta concetti matematici complessi. Consiglio di seguirlo con calma perché alcune parti richiedono di rivedere il video più volte per assimilare tutto.

Lina Marlina ID Verified learner
★ 5 · June 5, 2026

Cara menjelaskan LoRA dan QLoRA di kursus ini sangat mudah dipahami bahkan untuk saya yang baru pertama kali mencoba fine-tuning model sendiri.

加藤 太郎 JP Verified learner
★ 4 · June 2, 2026

以前からオープンソースのLLMを自分のデータで調整してみたいと思っていましたが、何から手をつければいいか分からずにいました。このコースはLoRAとQLoRAの違いから丁寧に説明してくれて、量子化の仕組みも図解付きで理解しやすかったです。実際に手元のGPUでファインチューニングを試すハンズオンの部分が特に役立ちました。ただ、後半のハイパーパラメータ調整の章は駆け足気味で、もう少し具体例が欲しかったです。それでも全体としては実践的で、業務にすぐ応用できる内容でした。

Zeynep Aksoy TR
★ 5 · June 1, 2026

Açık kaynak bir modeli kendi verimle eğitmenin güçlü bir donanım gerektirdiğini sanıyordum, bu kurs aksini gösterdi. LoRA ve QLoRA arasındaki farkı ve hangisini ne zaman seçeceğimi gayet net anlattılar. Kendi veri setimle ilk ince ayarımı sorunsuz tamamladım, anlatım gerçekten anlaşılır.

김서현 KR Verified learner
★ 5 · May 31, 2026

오픈소스 LLM을 LoRA로 파인튜닝하는 과정이 이렇게 체계적으로 정리된 강의는 처음 봤어요.

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