# OBC-Prune: Outcome-Based Calibration for Large Reasoning Model Pruning

**Published:** September 17, 2026
**Author:** Ha Lan Nguyen, Huy Hoang Tran, Trac-Duy Tran, Dung D. Le
**Source:** arXiv — cs.AI
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/obc-prune-outcome-based-calibration-for-large-reasoning-model-pruning

Large reasoning models (LRMs) generate long chain-of-thought traces before answering, creating significant inference overhead. Pruning can reduce this cost, but its effectiveness depends on the calibration data used to estimate parameter importance. Recent work calibrates on the…

> From the original source: **arXiv — cs.AI**
> [Read full article at arXiv — cs.AI](https://arxiv.org/abs/2609.17890)

**Tags:** #arXiv

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