Wenbo Zhang

2 papers · Latest: May 11, 2026

Reasoning Is Not Free: Robust Adaptive Cost-Efficient Routing for LLM-as-a-Judge

RACER dynamically routes between reasoning and non-reasoning LLM judges to optimize accuracy and cost, especially under distribution shift.

2605.10805May 11, 2026

Natural Language Processing

Many Ways to Be Fake: Benchmarking Fake News Detection Under Strategy-Driven AI Generation

This paper introduces MANYFAKE, a new benchmark for detecting subtle, strategically generated fake news, revealing current models struggle with mixed-truth content.

2604.09514Apr 10, 2026

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