I am finally learning how to fine-tune models using @UnslothAI doing a "hello world" test.

This is a AI post classified by Jev as AI infra & evals (a tutorial), kept by the AI Radar because it carries real work, not commentary.
I am finally learning how to fine-tune models using @UnslothAI doing a "hello world" test. Base model -> unsloth/Qwen3-4B-Instruct-2507 It's a 4B params, ~8GB on disk. It's a good model for learn as you can train it relatively fast and see results immediately. training data -> mlabonne/FineTome-100k It's 100k ChatML conversations, cleaned and curated (a well-known community SFT set). That's what I am "teaching" the model: high-quality Q&A / explanation-style conversations. What's LoRA? That's the core trick. Instead of updating all 4B weights (needs ~4×8GB+ for gradients/optimizer - won
Posted by Javier • priv/acc (4.4k followers) 1 h ago · 5 likes · 144 views · view the original post on X. Kept by the AI Radar as AI infra & evals.
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