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arxiv:2604.14518

Mind DeepResearch Technical Report

Published on Apr 17
· Submitted by
Biao Wang
on Apr 20
Authors:
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Abstract

MindDR is an efficient multi-agent deep research framework that achieves high performance through a collaborative three-agent architecture and specialized four-stage training pipeline, demonstrating strong results on multiple benchmarks.

AI-generated summary

We present Mind DeepResearch (MindDR), an efficient multi-agent deep research framework that achieves leading performance with only ~30B-parameter models through a meticulously designed data synthesis and multi-stage training pipeline. The core innovation of MindDR lies in a collaborative three-agent architecture (Planning Agent, DeepSearch Agent, and Report Agent) and a four-stage agent-specialized training pipeline comprising SFT cold-start, Search-RL, Report-RL and preference alignment. With this regime, MindDR demonstrates competitive performance even with ~30B-scale models. Specifically, MindDR achieves 45.7% on BrowseComp-ZH, 42.8% on BrowseComp, 46.5% on WideSearch, 75.0% on xbench-DS, and 52.5 on DeepResearch Bench, outperforming comparable-scale open-source agent systems and rivaling larger-scale models. MindDR has been deployed as an online product in Li Auto. Furthermore, we introduce MindDR Bench, a curated benchmark of 500 real-world Chinese queries from our internal product user interactions, evaluated through a comprehensive multi-dimensional rubric system rather than relying on a single RACE metric. On MindDR Bench, MindDR achieves a state-of-the-art score of 51.8.

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Mind Deep Research (MindDR) is an efficient multi-agent framework that achieves high performance on deep search and deep research tasks with relevant low cost. It breaks down end-to-end RL training into multi-stage search-rl, report-rl and preference alignment training pipeline for better efficiency and training stability. Check it out for details!

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