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News/Representational drift in a code model: behaviour settles, which neurons carry it does not
arxiv
PublishedNovember 9, 2026 at 5:00 AM

Representational drift in a code model: behaviour settles, which neurons carry it does not

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arXiv:2611.09204v1 Announce Type: new Abstract: In neuroscience, representational drift is a change in which neurons carry a representation while behaviour stays the same; we measure its analogue in OpenCoder-1.5B during pretraining, for 169 Python constructs over two trillion tokens at a constant l

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