SMRTR AISep 24, 2025Quanta Magazine

To Understand AI, Watch How It Evolves

SMRTR summary

Training data evolution reveals crucial insights into language model behavior. While most researchers study completed models, Naomi Saphra examines the training process itself to understand why models work as they do. Comparing her approach to evolutionary biology, she tracks how small changes during training affect final performance and uncovers which structures are essential versus vestigial, helping predict future model behavior.

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