AI Glossary
Instruction tuning
Also called supervised fine-tuning, SFT
What does “Instruction tuning” mean?
Instruction tuning: Training a model on examples of instructions paired with good responses. It teaches a base model to follow requests and answer in a helpful format instead of just continuing the text. It is usually the first step after pre-training when building a chat assistant.

What is an example of “Instruction tuning”?
Training pairs might include a request like "Summarize this email in two sentences" alongside a well-written two-sentence summary.