Fine-tuning language models is essential for adapting them to specific tasks, with two primary approaches being full fine-tuning for smaller language models (SLMs) and Low-Rank Adaptation (LoRA) for large language models (LLMs). Full fine-tuning updates all model parameters, offering high task specialization and accuracy but at a significant computational cost and risk of overfitting. It is suitable for smaller models with moderate computational resources. Conversely, LoRA focuses on parameter-efficient fine-tuning, updating only low-rank matrices, which reduces computational demands and memory overhead, making it ideal for large models in resource-constrained settings, including edge deployments. While LoRA provides efficient training with lower risk of catastrophic forgetting, it may face challenges in capturing complex task-specific nuances. Both approaches have their unique strengths and considerations, with LoRA being more adaptable for edge devices like Raspberry Pi and Jetson Nano due to its efficient quantization and lower computational requirements. The document further discusses emerging trends in fine-tuning, such as adaptive rank allocation and hardware innovations, emphasizing the importance of careful hyperparameter tuning to maximize performance and stability across different deployment scenarios.