Artificial Intelligence

Fine-tuning

Fine-tuning consists of partially retraining an existing AI model on a company-specific dataset, specializing its behavior without starting from scratch.

Why it matters

Fine-tuning is more costly and rigid than RAG or prompt engineering; it is only justified for high-volume use cases that require a very specific style or format.

Concrete example

A customer support company fine-tunes a model on thousands of historical tickets to reproduce its tone and business terminology.

Related notions

RetrainingSpecialized modelProprietary dataset

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