Author

Kiran Kumār

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Preprint Jul 2026

Task- and Session-Level Model Routing: A Common-Interface Hybrid Evaluation of Four Open-Source Routers Across Four Benchmarks

A common measurement protocol and hybrid evaluation of four router implementations across RouterBench, BFCL v4, tau2-bench, and WebArena shows that, under these configurations and controls, observed gains track selected-tier composition more closely than demonstrated task-specific targeting.

Kiran Kumār, Santhoshkumar Saminathan · 0 citations