From $r$ to $Q^*$: Your Language Model is Secretly a Q-Function

This is a Plain English Papers summary of a research paper called From $r$ to $Q^*$: Your Language Model is Secretly a Q-Function. If you like these kinds of analysis, you should subscribe to the AImodels.fyi newsletter or follow me on Twitter.

Overview

• This paper explores the relationship between language models and Q-functions, a key concept in reinforcement learning.


• The authors show that language models can be viewed as learning a Q-function, which represents the expected future reward …

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