DadgogoAI Dictionary

Dictionary entry

reward model

noun \ri-ˈwȯrd ˈmä-dᵊl\
TopicTraining Senses1
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Definition of reward model

  1. : a separate model trained to score how good a response is, used to guide reinforcement learning without a human rating every single answer

    • The reward model learned human preferences from a million comparisons.
    • If the reward model has blind spots, the main model will exploit them.

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Related terms

RLHF reinforcement learning from human feedback: a training method in which people rate or compare… reinforcement learning a way of training in which a model tries actions, receives rewards or penalties, and gradually… reward hacking when an AI finds a shortcut that earns a high score from its reward or test without actually…

Cite this entry

"Reward model." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/reward-model/. Accessed 4 Oct. 2026.

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