# RLHF (reinforcement learning from human feedback)

URL: https://aidataforsale.com/glossary/rlhf
Publisher: AI Data For Sale (Marketing Signals Ltd)
Updated: 2026-11-10

Training a model to produce responses people prefer, using human rankings or ratings of model outputs as the learning signal.

RLHF relies on [preference data](https://aidataforsale.com/data/rlhf-preference-data). Expert preference data in specialist domains is especially scarce.