The Hidden Curriculum: How Pre-Training Data Shapes Model Behavior

Every machine learning model starts out as a blank slate—a tangle of randomly initialized weights that knows nothing about the world. The shift from that blankness to a system that can recognize faces, translate between languages, or write a halfway coherent paragraph is driven almost entirely by one thing: the data it sees during pre-training. …
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The Hidden Curriculum: How Pre-Training Data Shapes What Machines Learn

Every model starts as a blank slate—randomly initialized weights that know nothing of syntax, semantics, or the quiet rhythms of human expression. What turns that empty architecture into something that can finish a sentence, translate a paragraph, or answer a tricky question is the data it consumes during pre-training. That corpus isn’t just fuel; it’s …
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The Silent Curriculum: How Pre-Training Data Shapes Model Behavior

Every model starts as an empty mathematical scaffold—pure potential, no instincts. What fills that scaffold, what teaches it to complete a sentence or conjure a plausible answer, is the data it consumes during pre-training. That initial torrent of text, code, and conversation doesn’t just deposit facts. It quietly instills tendencies, preferences, and blind spots. Aiko …
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The Hidden Curriculum: How Pre-Training Data Shapes Machine Behavior

Every learned behavior starts with a lesson. For a computational system, those early experiences are the terabytes of text, images, and structured records it absorbs during its first learning phase. This vast collection is not a neutral pile of information. It is a formative environment that sets the boundaries of what the system will ever …
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The Ghost in the Machine: How Pre-Training Data Shapes Model Behavior

Every model starts out as nothing—just a pile of randomly initialized weights, a blank slate with no knowledge, no biases, no sense of the world at all. Then you feed it data. Mountains of text. And something strange happens: it develops a personality. A way of parsing language. A set of things it’s oddly good …
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