# $\tau$-Elicitation: Benchmarking multi-turn entity extraction in voice agents

**Published:** September 15, 2026
**Author:** Soham Ray, Victor Barres
**Source:** arXiv — cs.AI
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/tau-elicitation-benchmarking-multi-turn-entity-extraction-in-voice-agent

Voice agents often need to collect names, addresses, identifiers, dates, and times exactly, yet end-to-end benchmarks obscure where capture fails. We introduce $τ$-Elicitation, a 200-task voice benchmark spanning 10 entity types, controlled difficulty, caller realisms, and three…

> From the original source: **arXiv — cs.AI**
> [Read full article at arXiv — cs.AI](https://arxiv.org/abs/2609.13602)

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