Preprint
Aug 2026
VAKRA: Evaluating Multi-Hop Reasoning Across APIs and Retrieval Under Tool-Use Policies
Trace analysis shows failures concentrate at language-mediated reasoning - entity disambiguation, cross-source grounding, rather than tool invocation mechanics, rather than tool invocation mechanics.
Ankita Rajaram Naik, Anupama Murthi, Benjamin Elder et al.
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