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- 1Mixture-of-Experts Drives September's Biggest AI Models●Only 3% of the Brain Wakes Up: The Mixture-of-Experts Playbook Behind September's Biggest Models # ai # machinelearning
A new explainer examines the Mixture-of-Experts architecture behind September's largest AI models, drawing on the claim that only about 3% of the brain is active at any moment to illustrate sparse activation. The piece outlines how MoE systems switch on small portions of a network per task, cutting compute while scaling parameters, and why the technique has become central to recent frontier model releases.