Author

Xinyue Lou

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2026

PolyWorkBench: Benchmarking Multilingual Long-Horizon LLM Agents

This work introduces PolyWorkBench, a benchmark for evaluating LLM agents on multilingual long-horizon workplace workflows, and proposes a hybrid framework that combines structural grading, executable verification, and LLM-based semantic assessment to enable comprehensive evaluation.

Hongliang Li, Yijin Liu, Zhiwei Zhang et al. · arXiv.org · 1 citation

Preprint Jul 2026

PolyWorkBench: Benchmarking LLM Agents for Cross-Lingual Long-Horizon Workflows

Benchmark evaluations reveal that agent performance varies substantially across languages and drops sharply on the harder cross-lingual tasks, and analysis shows that multilingual execution exposes systematic failure modes across planning, tool interaction, and decision-making in long-horizon agents.

Hongliang Li, Yijin Liu, Zhiwei Zhang et al. · 0 citations