Author

Huan Xu

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Preprint Aug 2026

Noise Floor Audit for Agent Benchmarks

We audit measurement variability for 3 native tool-calling endpoints across 2 providers on the official BFCL multiple and parallel categories, using matched AST grading. At temperature 0, reruns are nearly deterministic across Groq endpoints and a thinking-enabled Gemini setting: ever-flip fractions are 0.7%, 2.0%, and...

Yi-Hang Chen, Pinyan Qian, Su Wang et al. · 0 citations

Preprint Aug 2026

Explicit State Elicitation Is Not Enough: A Controlled Audit of Memory-Policy Classification

Family-level and seed-stability analyses show that example-level accuracy overstates counterfactual consistency: complete four-way family success is rare, and an exploratory follow-up that elicits decomposed semantic evidence fails to improve routing for the cleanly evaluated endpoint.

Yi-Hang Chen, Pinyan Qian, Su Wang et al. · 0 citations