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About this paper

Boyan Li, Zhuowen Liang, Yupeng Xie, Xiaotian Lin, Tianqi Luo, Xinyu Liu, Yizhang Zhu, Zhangyang Peng and 6 more

DataSpace introduces a benchmark comprising 410 cross-language tasks over heterogeneous workspaces to evaluate data agents on verifiable analytics. The benchmark reveals that even frontier models struggle with cross-modality evidence integration and precise tabular result materialization, with the top-performing agent achieving an overall accuracy of 66.34%.

Key insights

  • Current frontier multimodal models and agent architectures demonstrate significant performance degradation when tasks require integrating evidence across multiple modalities or involve complex relational join operations.
  • A substantial portion of agent failures, particularly in top models like Grok 4.5 (52.2% of audited failures), originates from issues in precisely materializing the requested tabular output schema rather than core analytical missteps.
  • The choice and design of the agent harness play a critical role, contributing to a 15.36-point accuracy spread among different harnesses using the same backbone model, highlighting the importance of system-level orchestration.

Summary by alphaXiv.

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