# Learning What to Investigate Next: Meta-Reasoning for Long-Horizon Research Agents

**Published:** October 5, 2026
**Author:** Ankur Samanta, Yonathan Efroni, Paul Sajda, Kaveh Hassani, Anirudh Goyal
**Source:** arXiv — cs.AI
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/learning-what-to-investigate-next-meta-reasoning-for-long-horizon-resear

Long-horizon research agents must decide both how to investigate and what to investigate next as evidence accumulates. This is hard to learn because such decisions are sparse in long execution traces, and their consequences may emerge several investigations later. We introduce…

> From the original source: **arXiv — cs.AI**
> [Read full article at arXiv — cs.AI](https://arxiv.org/abs/2610.02525)

**Tags:** #arXiv

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