#Qlora — Kunal Ganglani

Fine-Tune Open-Source LLMs: LoRA, QLoRA, Gemma 4 [2026]

Fine-Tune Open-Source LLMs: LoRA vs QLoRA with Gemma 4

A practical 2026 guide to fine-tuning open-source LLMs with LoRA and QLoRA using Unsloth + Gemma 4 — including GPU requirements, hyperparameter defaults, evaluation setup, and when to just prompt instead.

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AI and Machine Learning

Fine-Tuning Gemma 2 for Code Generation: 31 Percentage Points of Accuracy for Under $15

I fine-tuned Google's Gemma 2 9B model for Python code generation using QLoRA on a single GPU. Accuracy jumped from 42% to 73% — here's exactly how, what it cost, and what I learned.

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