ResearchResearch paperEfficiency & Inference · Robotics & Embodied AI · Applications2 sources · Oct 13, 2026

LifeSearch: Benchmarking Deep Research Agents for Real-World Life and Productivity

To bridge this gap, we introduce LifeSearch, a challenging benchmark comprising 203 Chinese and English tasks derived from real-user query seeds across 7 concrete life and productivity domains.

Key points

  • Deep research (DR) agents address open-ended information needs through multi-step reasoning, long-horizon web search, and evidence synthesis.
  • We conduct extensive experiments on 12 advanced DR agents under a unified evaluation harness, systematically analyzing their performance patterns and failure modes.
  • We select the grading configuration by comparing candidate LLM judges against human rubric labels, and a human ranking study shows strong alignment between aggregate benchmark scores and human judgments (Spearman's $ρ= 0.89$, Kendall's $τ= 0.81$).
  • LifeSearch provides a rigorous evaluation framework and foundation for advancing DR agents toward real-world life and productivity.

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