CoBa: Cost-Effective Test-Time Scaling via Compute-Balanced Routing
Test-time scaling is often implemented by spending more compute along one axis: sampling more solutions, extending a chain of thought, or applying a stronger evaluator. Under a fixed inference budget, these choices compete. This paper formulates test-time reasoning as a compute-allocation problem in which a system must decide whether the next unit of compute should be spent on generation, verification, or stopping. We introduce CoBa, a compute-balanced routing policy that first obtains a small s
Record details
Published: 7 August 2026
Source: arXiv cs.AI
Category: Research
Topics: Regulation
Retrieved: 10 August 2026
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ethics.ai (7 August 2026), “CoBa: Cost-Effective Test-Time Scaling via Compute-Balanced Routing,” evidence record 17917, https://ethics.ai/record/17917 (originally published by arXiv cs.AI).
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