In the previous article, we created a reward model. In this article, we will continue exploring how...
In the previous article, we created a reward model. In this article, we will continue exploring how this model is trained.
One important thing to note is that we do not need to define the ideal reward values in advance.
Instead, the model learns to determine appropriate rewards on its own.
The Loss Function
To train the reward model, OpenAI used the following loss function in their 2022 paper:
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