LLM Course (Hugging Face)

Hugging Face is the most important platform for open AI models. Their in-house course explains how large language models work across twelve chapters. You start with the Transformer basics and work your way up to fine-tuning and reasoning models. You should plan for six to eight hours per chapter. You need solid Python skills; experience with deep learning helps. The course is completely free; a certificate program is reportedly in the works at Hugging Face.