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AI Glossary

Fine-Tuning

Additional training that adapts a base model to a narrower domain or style.

Last updated August 2, 2026

Simple explanation

Fine-tuning further trains a model on your examples so it behaves more like your domain or style.

Technical explanation

Supervised fine-tuning or parameter-efficient methods adapt base weights using labeled pairs; requires data quality and eval harnesses.

Additional training that adapts a base model to a narrower domain or style.

Examples

  • Tone-matched customer replies
  • Domain classification heads

FAQs

When should I fine-tune?

After prompts and retrieval plateau—and you have clean labeled examples.

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