Fine Tuning

What is Fine Tuning in AI?

Fine tuning in AI refers to the process of making small adjustments or modifications to an existing machine learning model in order to improve its performance on a specific task or dataset. This technique is commonly used when the initial model, which has been pretrained on a large dataset, is not achieving satisfactory results on a new or more specific task. Fine tuning allows the model to generalize its learned knowledge to the new task by adjusting its parameters and optimizing its performance.

The process of fine tuning in AI involves several steps. First, the pretrained model is loaded and its weights are frozen to prevent them from being modified during the fine tuning process. Then, a new dataset that is specific to the target task is introduced and used to train the model. During this training phase, only the weights of the newly added layers or modules are updated, while the weights of the pretrained layers remain fixed. This allows the model to leverage its prelearned features while adapting to the new task.

Fine tuning in AI is particularly useful when dealing with limited amounts of labeled data. By starting with a pretrained model, which has already learned general patterns from a large dataset, the need for a large labeled dataset for training is reduced. Instead, only a smaller labeled dataset specific to the target task is required for fine tuning. This saves time and resources, as acquiring and labeling large amounts of data can be time-consuming and expensive.

Overall, fine tuning in AI is a powerful technique that allows for improved performance on specific tasks by leveraging prelearned features from a pretrained model. It enables models to adapt to new tasks with limited amounts of labeled data, making it a valuable tool in various domains such as computer vision, natural language processing, and speech recognition. As AI continues to advance, fine tuning will likely play an increasingly important role in optimizing and enhancing machine learning models.

Related Article: https://www.scribbledata.io/fine-tuning-large-language-models/