OpenResearcher: A Fully Open Pipeline for Long-Horizon Deep Research Trajectory Synthesis
Wenhu Chen, Xueguang Ma, Dongfu Jiang et al. · 17 Mar 2026
Training deep research agents requires long-horizon trajectories that interleave search, evidence aggregation, and multi-step reasoning. However, existing data collection pipelines typically rely on proprietary web APIs, making large-scale trajectory synthesis costly, unstable,…