Author

Jiahe Liu

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Preprint Oct 2026

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

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 cost and the risk of irreversible errors. Learning to make these trade-offs is challengi...

Qi-Sai Liu, Qing-Yue Jiao, Bang-Wei Guo et al. · 0 citations

Preprint Aug 2026

OpenPM: Auditable Point-in-Time Evaluation for LLM Portfolio-Management Agents

This work presents OpenPM, an auditable point-in-time evaluation framework for LLM portfolio-management agents, and builds a reference agent named the tiered allocator, where typed analysts score candidates, a constructor LLM proposes weights, and a deterministic critic guarantees feasibility.

Xinying Cai, Ming-Hao Guo, Jiahe Liu et al. · 1 citation