Author

Siyu Huo

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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. · 0 citations