Glossary · Phase 1 · Building with LLMs

Fine-tuning

Also written: fine-tune, fine-tuned, finetuning

Further training a pretrained model on a smaller, focused set of examples to change its behavior.

A GPU is a graphics chip. It's the kind of processor large models run on fastest. Fine-tuning means training a model a little more on your own examples.
From the lesson Choosing a model

Try it now

Using the prices in this lesson. Output costs five times as much as input, so watch how much the output slider moves the total.

Learn it properly

Choosing a model · Trade capability, speed and cost across model families. About 25 minutes.

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Other terms from the same lesson

closed model: A model you can only use through its maker's API: you can't download its weights or run it yourself.
open-weight model: A model whose weights are published, so you can download and run it yourself.

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