Training

Overfitting

Overfitting occurs when a model memorizes training data.

Quick definition

Overfitting occurs when a model memorizes training data.

  • Category: Training
  • Focus: model adaptation
  • Used in: Adapting a base model to your domain or style.

What it means

It performs poorly on new inputs. In training workflows, overfitting often shapes model adaptation.

How it works

Training adapts models through fine-tuning or preference optimization. It uses curated datasets and evaluation loops.

Why it matters

Training methods tailor models to your domain and use case.

Common use cases

  • Adapting a base model to your domain or style.
  • Improving instruction following for specific tasks.
  • Reducing errors with better training data.

Example

High train accuracy, low test accuracy.

Pitfalls and tips

Low-quality data can degrade performance. Keep datasets clean, representative, and well-labeled.

In BoltAI

In BoltAI, this is referenced when discussing model customization.