Researchers have developed a new method for cost-effective reasoning in large language models by implementing a policy-guided stepwise model routing system. This approach formulates the routing of intermediate chain-of-thought states to models of varying sizes as a constrained decision-making problem. By training a small control policy with reinforcement learning and employing threshold calibration, the system optimizes the performance-efficiency tradeoff, outperforming handcrafted strategies and matching methods that train larger reward models. AI
影响 This method could lead to more efficient and cost-effective LLM deployments for complex reasoning tasks.
排序理由 This is a research paper detailing a novel method for improving LLM reasoning efficiency. [lever_c_demoted from research: ic=1 ai=1.0]
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