arxiv
PublishedOctober 21, 2026 at 4:00 AM
When Copying Is Hard: Copy-Constrained Decoding for Exact Span Reproduction
Publisher summary· verbatim
arXiv:2610.28393v1 Announce Type: new Abstract: Precisely reproducing a target span verbatim within a long context is a fundamental capability test for LLMs: even when the target string is present in context, models often still drift within the span or fail to stop correctly, revealing limitations i
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