{"slug": "38-runnable-notebooks-for-learning-hugging-face-from-trainer-to-grpo-by-removing", "title": "38 runnable notebooks for learning Hugging Face from Trainer to GRPO by removing the abstractions", "summary": "A developer has published a learning repository containing 38 runnable notebooks that teach the Hugging Face stack by progressively removing abstractions, from high-level APIs through fine-tuning, PEFT, reasoning/RL, and end-to-end project work. The repository's author is seeking technical feedback on the GRPO-from-scratch and Romanian QA evaluation sections and on gaps in the learning path.", "body_md": "I’ve been building a learning repository around a simple idea:\n\n**don’t just learn how to call Hugging Face APIs — progressively remove the abstractions until you understand what they are doing.**\n\nThe repo now contains **38 runnable notebooks** covering a path from the core Hugging Face stack into fine-tuning, PEFT, reasoning/RL, and end-to-end project work.\n\nSome of the parts I think are most useful:\n\nThe progression is roughly:\n\nhigh-level API → inspect the abstraction → rebuild the important parts → use the higher-level tooling again with a better mental model\n\nRepository:\n\nI’d especially appreciate feedback from people working with Hugging Face, LLM fine-tuning, tokenization, or RL.\n\nI’m particularly interested in whether the **GRPO-from-scratch** and **Romanian QA evaluation** sections explain the underlying ideas clearly enough, and whether there are important gaps in the learning path that would be worth adding.\n\nIf the repository is useful to you, a GitHub star is appreciated too, but technical feedback is even more useful.", "url": "https://wpnews.pro/news/38-runnable-notebooks-for-learning-hugging-face-from-trainer-to-grpo-by-removing", "canonical_source": "https://discuss.huggingface.co/t/38-runnable-notebooks-for-learning-hugging-face-from-trainer-to-grpo-by-removing-the-abstractions/180330#post_1", "published_at": "2026-09-12 17:58:27+00:00", "updated_at": "2026-09-12 18:20:08.898054+00:00", "lang": "en", "topics": ["ai-research", "large-language-models", "ai-tools", "developer-tools"], "entities": ["Hugging Face", "GRPO", "PEFT", "GitHub"], "alternates": {"html": "https://wpnews.pro/news/38-runnable-notebooks-for-learning-hugging-face-from-trainer-to-grpo-by-removing", "markdown": "https://wpnews.pro/news/38-runnable-notebooks-for-learning-hugging-face-from-trainer-to-grpo-by-removing.md", "text": "https://wpnews.pro/news/38-runnable-notebooks-for-learning-hugging-face-from-trainer-to-grpo-by-removing.txt", "jsonld": "https://wpnews.pro/news/38-runnable-notebooks-for-learning-hugging-face-from-trainer-to-grpo-by-removing.jsonld"}}