ResearchResearch paperTraining & Scaling2 sources · Oct 12, 2026

Recursive Environment Scaling for General Long-Horizon Agents

We study environment scaling as a way to increase agent-benchmark difficulty while holding core task objectives fixed.

Key points

  • Our framework, Recursive Environment Scaling (RES), transforms existing benchmark environments while preserving their objectives and completion requirements.
  • This produces related environments for paired evaluation and training-trajectory collection.
  • Ablations identify recursive inheritance and dependency composition as important contributors to increased difficulty.
  • Together, these results support environment scaling for both agent evaluation and training.

Sources (2)

Extractive summary: sentences quoted from the sources.

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