# UserArena: Benchmarking Interactive User Simulation for Long-Horizon Shopping Agents

**Authors:** Jujia Zhao, Jiakai Tang, Jing Yu, Wen Chen  
**Lab:** Alibaba Qwen · **Published:** 21 Oct 2026  
**Links:** [arXiv](https://arxiv.org/abs/2610.30932) · [PDF](https://arxiv.org/pdf/2610.30932) · [This page](https://omen-bit.github.io/ai-paper-daily/paper/2610.30932.html)

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Notes written by AI from the paper, numbers copied from the abstract. Check the paper before you rely on them. From AI Papers Daily.