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Personas in a Pre-Internet Language Model.

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Researchers ran persona experiments on Talkie, a 13B model trained only on pre-1931 English text, comparing it with a same-architecture model trained on modern data and with Llama-3.1-8B.

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“David Africa & Nick Levine TLDR We ran several persona experiments on Talkie, a 13B model trained only on English text from before 1931. We ran them alongside its modern twin (same architecture, trained on regular data as a control) and Llama-3.1-8B.”
LessWrong, 13 Oct 2026, 12:14.

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