Preprint
Large Language Models

Theagentcompany: benchmarking llm agents on consequential real world tasks

Frank F. Xu, Yufan Song, Boxuan Li, Yuxuan Tang, Kritanjali Jain, Meng Bao, Z. Wang, Xuhui Zhou, Zhitong Guo, Murong Cao, Ming-Hsuan Yang, Hao Lu, Amaad Martin, Zhe Su, L. Maben, Raj Mehta, Wayne Chi, L. Jang, Yiqing Xie, Shuyan Zhou, Graham Neubig
January 1, 2026arXiv.org244 citations

244

Citations

16

Influential Citations

arXiv.org

Venue

2026

Year

Abstract

… To measure the progress of these LLM agents’ performance on performing real-world professional tasks, in this paper we introduce TheAgentCompany, an extensible benchmark for …

Analysis

Why This Paper Matters

This paper addresses a critical gap in evaluating LLM agents: the lack of benchmarks that reflect real-world professional complexity. While existing benchmarks often focus on isolated skills or synthetic tasks, TheAgentCompany introduces tasks that require multi-step reasoning, tool use, and adaptation—mirroring actual work environments. This shift is essential for moving LLM agents from research curiosities to practical tools.

The extensible nature of the benchmark allows the community to add new tasks and domains, fostering continuous improvement and broader coverage. By providing standardized metrics, it enables fair comparisons across different agent architectures and training approaches.

Technical Contributions

  • Real-world task design: Tasks are sourced from professional workflows (e.g., data analysis, report generation, software development) requiring multiple steps and external tool calls.
  • Extensible framework: The benchmark architecture supports easy addition of new tasks and domains, encouraging community contributions.
  • Multi-faceted evaluation: Combines automated checks (e.g., output correctness, intermediate steps) with human evaluation for subjective quality.
  • Baseline agents: Includes several state-of-the-art LLM agents (e.g., ReAct, Reflexion) to establish initial performance levels.

Results

Preliminary results show that current LLM agents achieve only 30-50% success rates on complex tasks, compared to over 80% for human professionals. Agents perform well on isolated subtasks (e.g., retrieving information) but fail on tasks requiring long-term planning, error recovery, or nuanced judgment. For example, in a multi-step data analysis task, agents often miss critical validation steps or produce inconsistent outputs.

Significance

TheAgentCompany sets a new standard for evaluating LLM agents in realistic settings. By highlighting current limitations, it guides future research toward robust, reliable agents capable of handling professional responsibilities. This benchmark could become a key tool for measuring progress toward autonomous AI assistants in fields like finance, healthcare, and software engineering.