Section and subsection chunking achieves highest recall on legal QA while complex methods like RAPTOR and contextual chunking perform worse and cost more.
URL: https://www.thomsonreuters.com/content/dam/ewp-m/documents/thomsonreuters/en/pdf/ reports/2025-generative-ai-in-professional-services-report-tr5433489-rgb.pdf
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Chunking German Legal Code
Section and subsection chunking achieves highest recall on legal QA while complex methods like RAPTOR and contextual chunking perform worse and cost more.