# Agents' Last Doubt: Knowing When to Act and When to Step Back in Tool-Using Agents

**Published:** October 20, 2026
**Author:** Qisai Liu, Qingyue Jiao, Bangwei Guo, Wenxi Dai, Changyi Yang, Jiahe Liu, Dimitris N. Metaxas, Yiyu Shi, Zhanhong Jiang, Minghao Guo
**Source:** arXiv — cs.AI
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/agents-last-doubt-knowing-when-to-act-and-when-to-step-back-in-tool-usin

arXiv:2610.24194v1 Announce Type: new Abstract: Tool-using LLM agents repeatedly face decision points under uncertainty, choosing between autonomous action, additional information gathering, and human escalation. These decisions require balancing task success against interaction…

> From the original source: **arXiv — cs.AI**
> [Read full article at arXiv — cs.AI](https://arxiv.org/abs/2610.24194)

**Tags:** #arXiv

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