arxiv
PublishedSeptember 11, 2026 at 4:00 AM
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Left-Branching Transformers Excel at Right-Branching Languages: Data Shapes Word Order Preferences in Language Models
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arXiv:2608.15129v2 Announce Type: replace-cross Abstract: We systematically compare word order preferences in decoder-only language models across 192 artificial languages and typologically diverse natural languages. On artificial languages, models exhibit a left-branching preference that aligns with
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