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New System-1 Model 'Jev' Optimizes LLM Reasoning Under Budget Constraints

A new research paper proposes "Jev," a System-1 decision model designed to work with large language models (LLMs) by selecting answers from candidate options rather than generating full reasoning traces. This approach aims to reduce computational costs associated with LLMs generating excessive reasoning tokens. Experiments show that Jev improves accuracy compared to forcing an answer from an incomplete LLM trace, especially at lower token budgets, and can significantly cut down on estimated computational costs while maintaining high accuracy. AI

IMPACT This research suggests a method to reduce LLM inference costs by optimizing reasoning token generation, potentially leading to more efficient AI applications.

RANK_REASON Research paper published on arXiv detailing a new model and its evaluation. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.CL →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

New System-1 Model 'Jev' Optimizes LLM Reasoning Under Budget Constraints

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Research paper published on arXiv detailing a new model and its evaluation. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.CL TIER_1 English(EN) · Zhongyin Wang, Zhaoqian Xue, Junting Mu, Haozheng Liu, Ye Yuan, Haolun Wu, Lingyao Li ·

    Truncated Reasoning Under a Budget: Evaluating System-1 Models as Decision-Makers

    arXiv:2610.25768v2 Announce Type: replace Abstract: Large language models (LLMs) often generate more reasoning tokens than needed. Limiting the reasoning budget reduces cost, but forcing an answer from an incomplete trace can hurt accuracy. System-1 decision models select among c…