# Fine-tuning: what it is and how it works · Zorraquino
> Fine-tuning adjusts the parameters of an already trained model using additional data to adapt its behaviour to a task or domain.
URL: https://www.zorraquino.com/en/dictionary/fine-tuning

# Fine-tuning

Fine-tuning adjusts the parameters of an already trained model using additional data to adapt its behaviour to a task or domain

What it means, how it is used and where it comes up, with its related concepts.

[The whole glossary](https://www.zorraquino.com/en/dictionary)

## What it is and how it works

It can improve consistency of format, style or specific performance. It requires suitable data and evaluation against alternatives. It does not necessarily replace information retrieval when the main problem is querying knowledge that changes frequently.

Topics

[Artificial intelligence](https://www.zorraquino.com/en/dictionary/category/inteligencia-artificial)

## Related concepts

- [Foundation model](https://www.zorraquino.com/en/dictionary/foundation-model)
- [Multimodal model](https://www.zorraquino.com/en/dictionary/multimodal-model)
- [AI model evaluation](https://www.zorraquino.com/en/dictionary/ai-model-evaluation)