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arXiv — cs.AI preprintsInternational12 October 2026

ProgramGym: Scaling Training Environments for Long-Horizon Program Reproduction Agents

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arXiv:2610.13395v1 Announce Type: cross Abstract: Coding agents are increasingly used to build programs from scratch as software engineers do rather than to resolve issues within a repository or to generate a repository from a given requirements document. However, scalable verifiable training environments that force agents to discover what is required and to decide how the system should be designed remain scarce. Moreover, existing agent workflows also cannot sustain long-horizon development in which the agent explores the reference program before implementation. To address these challenges, w
— arXiv — cs.AI preprints

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