Fine-tune Llama, Mistral, or any open-source LLM on custom data in 2026 using QLoRA and HuggingFace. Train a 7B model on a single GPU for under $5 with step-by-step code and deployment to HuggingFace Hub.
Master LoRA and QLoRA for efficient fine-tuning of large language models on consumer GPUs. Covers rank selection, target modules, quantization, and training LLaMA 3 and Mistral with minimal resources.