Guide
7 min read
What is Fine-Tuning and When Does a Business Need It? (2026)
Fine-Tuning is the process of retraining an existing AI model on business-specific data to change how it behaves. Most small businesses don't need it at all—Prompting and RAG are usually more than enough. A straightforward guide: what it is, when it's worth it, and when to save your money.