Where does one language model outperform the other?
We examine this from first principles, performing unsupervised discovery of "abilities" that one model has and the other does not.
Results show interesting differences between model classes, sizes and pre-/post-training.
Graham Neubig
When it comes to text prediction, where does one LM outperform another? If you've ever worked on LM evals, you know this question is a lot more complex than it seems. In our new #acl2025 paper, we developed a method to find fine-grained differences between LMs:
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