Fine-Tuning & Training·OCTOBER 23, 2026
Fine-tune Llama 3.1 8B on RTX 4090
Fine-tuning Llama 3.1 8B with LoRA on a rented RTX 4090 costs $0.61/hour and uses 21.4 GB of the card's 24 GB VRAM (89.3% use). A 10k-sample dataset finishes in roughly 2 hours. Total spend for a 3-epoch run lands around $1.22 to $1.55, including data transfer. Hu et al. (2021)…
