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fine-tuning

noun \ˈfīn-ˈtü-niŋ\
TopicTraining Senses1
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Definition of fine-tuning

  1. : further training of an existing model on a smaller, focused dataset so it gets better at a particular task, style, or domain

    • After fine-tuning on 5,000 support tickets, the model answered in our company's tone.
    • Try better prompts before you pay for fine-tuning.

Two meanings, one word

In everyday English

Making small adjustments to something to make it work as well as possible.

In AI

Further training of an existing model on a smaller, focused dataset so it gets better at a particular task, style, or domain.

Test yourself

Which of these is the meaning of fine-tuning?

Related terms

LoRA low-rank adaptation: a cheap fine-tuning method that freezes the original model and trains… pre-training the first and most expensive stage of building a model, in which it learns general patterns… post-training everything done to a model after pre-training to make it useful and safe, such as instruction… foundation model a large model trained on broad data that can be adapted to many different tasks, serving as… dataset an organized collection of data used to train, test, or evaluate a model

Cite this entry

"Fine-tuning." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/fine-tuning/. Accessed 4 Oct. 2026.

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