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News/Harness-Bench: Measuring Harness Effects across Models in Realistic Agent Workflows
arxiv
PublishedMay 28, 2026 at 4:00 AM

Harness-Bench: Measuring Harness Effects across Models in Realistic Agent Workflows

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arXiv:2605.27922v1 Announce Type: new Abstract: LLM agents are increasingly deployed as executable systems that use tools, modify workspaces, and produce concrete artifacts. In such workflows, performance depends not only on the base model, but also on the harness: the system layer that manages cont

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