Overview

Deep research agents use search and other tools to investigate questions that require gathering evidence across many sources, reasoning over it, and producing structured reports. Common approaches include ReAct-style search, query refinement and reranking, explicit plans or evidence graphs, and multi-agent delegation; systems are trained with supervised trajectories and reinforcement learning, sometimes guided by rubrics. Evaluation spans web-search benchmarks, expert-scored reports, and process-level checks of evidence, citations, and intermediate decisions. Agents can produce convincing reports, but completeness, resistance to misleading or conflicting sources, alignment with user intent, and the cost of long investigations remain difficult to balance.

Latest papers

CardsList

115 papers18 papers in the last four weeks, up 100% on the four weeks before. 0.1% of all new papers.

  1. Towards Trustworthy Report Generation: A Deep Research Agent with Progressive Confidence Estimation and Calibration

    Apr 7, 2026Yi Yuan, Xuhong Wang, Shanzhe LeiDeep Research AgentsTrust in AI

  2. Self-Optimizing Multi-Agent Systems for Deep Research

    Apr 3, 2026Arthur Câmara, Vincent Slot, Jakub ZavrelDeep Research AgentsMulti-Agent LLM Systems

  3. Marco DeepResearch: Unlocking Efficient Deep Research Agents via Verification-Centric Design

    Mar 30, 2026Bin Zhu, Qianghuai Jia, Tian Lan +6Deep Research AgentsLLM Agent Training

  4. From Intent to Evidence: A Categorical Approach for Structural Evaluation of Deep Research Agents

    Mar 26, 2026Shuoling Liu, Zhiquan Tan, Kun Yi +6Category TheoryDeep Research Agents

  5. OpenResearcher: A Fully Open Pipeline for Long-Horizon Deep Research Trajectory Synthesis

    Mar 17, 2026Zhuofeng Li, Dongfu Jiang, Xueguang Ma +7Deep Research AgentsLLM Agent Trajectory Synthesis

  6. Language Models Don't Know What You Want: Evaluating Personalization in Deep Research Needs Real Users

    Mar 17, 2026Nishant Balepur, Malachi Hamada, Varsha Kishore +7Deep Research AgentsLLM Personalization

  7. DualSpec: Accelerating Deep Research Agents via Dual-Process Action Speculation

    Mar 8, 2026Shuzhang Zhong, Baotong Lu, Qi Chen +3Deep Research AgentsLLM Inference Acceleration

  8. Rethinking Deep Research from the Perspective of Web Content Distribution Matching

    Mar 7, 2026Zixuan Yu, Zhenheng Tang, Tongliang Liu +3Deep Research AgentsAgentic Search

  9. AgentIR: Reasoning-Aware Retrieval for Deep Research Agents

    Mar 4, 2026Zijian Chen, Xueguang Ma, Shengyao Zhuang +3Agentic RetrievalDense Retrieval

  10. DeepResearch-9K: A Challenging Benchmark Dataset of Deep-Research Agent

    Mar 1, 2026Tongzhou Wu, Yuhao Wang, Xinyu Ma +4Deep Research AgentsAI Agent Benchmarks

  11. Super Research: Answering Highly Complex Questions with Large Language Models through Super Deep and Super Wide Research

    Feb 28, 2026Yubo Dong, Nianhao You, Yuxuan Hou +5Autonomous Research AgentsLLM Evaluation

  12. Evaluating Stochasticity in Deep Research Agents

    Feb 26, 2026Haotian Zhai, Elias Stengel-Eskin, Pratik Patil +1Deep Research AgentsAI Agent Reliability

  13. Revisiting Text Ranking in Deep Research

    Feb 25, 2026Chuan Meng, Litu Ou, Sean MacAvaney +1Deep Research AgentsLearning to Rank

  14. Caesar: Deep Agentic Web Exploration for Creative Answer Synthesis

    Feb 24, 2026Jason Liang, Elliot Meyerson, Risto MiikkulainenWeb AgentsDeep Research Agents

  15. DREAM: Deep Research Evaluation with Agentic Metrics

    Feb 21, 2026Elad Ben Avraham, Changhao Li, Ron Dorfman +8AI Agent EvaluationDeep Research Agents

  16. Hunt Globally: Wide Search AI Agents for Drug Asset Scouting in Investing, Business Development, and Competitive Intelligence

    Feb 16, 2026Vlad Vinogradov, Alisa Vinogradova, Luba Greenwood +7Deep Research AgentsWeb Search Agents

  17. Learning Query-Specific Rubrics from Human Preferences for DeepResearch Report Generation

    Feb 3, 2026Changze Lv, Jie Zhou, Wentao Zhao +14Rubric-Guided GenerationDeep Research Agents

  18. Why Your Deep Research Agent Fails? On Hallucination Evaluation in Full Research Trajectory

    Jan 30, 2026Yuhao Zhan, Tianyu Fan, Linxuan Huang +2Deep Research AgentsHallucination Detection

  19. DR-Arena: an Automated Evaluation Framework for Deep Research Agents

    Jan 15, 2026Yiwen Gao, Ruochen Zhao, Yang Deng +1Deep Research AgentsBenchmark Design

  20. DeepResearch Bench II: Diagnosing Deep Research Agents via Rubrics from Expert Reports

    Jan 13, 2026Ruizhe Li, Mingxuan Du, Benfeng Xu +3Deep Research AgentsLLM Agent Evaluation

  21. IDRBench: Benchmarking the Interactive Capabilities of Deep Research Agents

    Jan 10, 2026Yingchaojie Feng, Qiang Huang, Xiaoya Xie +4Deep Research AgentsLLM Agent Evaluation

  22. DEER: A Benchmark for Evaluating Deep Research Agents on Expert Report Generation

    Dec 19, 2025Janghoon Han, Heegyu Kim, Changho Lee +6Deep Research AgentsLLM Agent Evaluation