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Source arXiv Computation and Language export.arxiv.org Analyst
October 15, 2026 ai_technology research

HERO: Harnessing Evidence for Test-time Refinement and Prompt Optimization in Program Generation

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Overview

arXiv:2610.19184v1 Announce Type: new Abstract: Harness optimization improves LLMs by refining reusable prompts and scaffolding, yet requires further adaptation for program generation tasks such as text-to-SQL and text-to-Python. Existing methods often rely on LLM reflectors to propose harness updates, which can fix observed failures but also disrupt previously correct behavior. Text-to-code tasks offer a natural way to mitigate this issue: we can execute generated outputs, allowing us to evalua

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