Frontier LLMs produce fully compliant legal citations only 42.6% of the time, new benchmark finds

hoofnagle · x · 2026-08-21

A new benchmark of 2,058 Bluebook (US legal citation format) queries shows that, on average, frontier language models produce a fully compliant legal citation only 42.6% of the time in a zero-shot setting — a "disappointing but important" result highlighting that LLMs remain unreliable for professional legal drafting.

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