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Sakana AI Researchers Introduce PC-ALM, a Layer-Local Alternative to Backpropagation That Trains 1000-Layer Networks

This story is from 2026-09-14. It is preserved in the archive; the latest stories are on the live feed.

Most local-learning methods trade accuracy for biological plausibility. Predictive coding works, but its credit signal fades long before it reaches the input of a deep, narrow network. Sakana AI just showed that gap does not have to exist. They introduced PC-ALM (Augmented Lagrangian Predictive Cod…

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  1. 2026-09-14 20:50 · r/machinelearningnews
    Sakana AI Researchers Introduce PC-ALM, a Layer-Local Alternative to Backpropagation That Trains 1000-Layer Networks

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