Machine Heart
Apr 28, 2026 · Artificial Intelligence
Can LLMs Answer More Accurately While Writing Less? Introducing SHAPE’s Reasoning Tax
The SHAPE framework (Stage‑aware Hierarchical Advantage via Potential Estimation) adds a milestone‑based “reasoning tax” to large language model inference, providing step‑wise correctness signals and penalizing verbosity, which yields an average 3% accuracy gain and a 30% reduction in token consumption across multiple math‑reasoning benchmarks.
ACL 2026LLMMathematical Reasoning
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