AI Glossary

Reinforcement learning from human feedback

Also called RLHF

What does “Reinforcement learning from human feedback” mean?

Reinforcement learning from human feedback: Training method in which people compare or rate model outputs, and a reward model learns their preferences from those judgments. The language model is then optimized to produce answers that the reward model scores highly.

Reinforcement learning from human feedback visual guide: Training method in which people compare or rate model outputs, and a reward model learns their preferences from those judgments. The language model is then optimized to produce answers that the reward model scores highly.
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What is an example of “Reinforcement learning from human feedback”?

RLHF was a key part of turning raw language models into chat assistants that respond more helpfully and decline clearly harmful requests.