Same Signal, Different Semantics: A Cross-Framework Behavioral Analysis of Software Engineering Agents
Behavioral studies of LLM-based software engineering agents extract operational rules about which trajectory shapes correlate with higher resolution rates: that a test step follows a code modification, that error cascades are short, or that trajectories are compact. Each rule is typically derived from a single framework, and whether it transfers, in sign as well as magnitude, to structurally different agent designs has not been directly tested. We address this at ecosystem scale: 64,380 SWE-bench runs from 126 agent configurations spanning 43 frameworks, where each configuration pairs an LLM with a framework (e.g., SWE-Agent, OpenHands) that supplies its tools and workflow. We separate fr...
| Authors | Wei Ma, Zhi Chen, Jingxu Gu et al. |
|---|---|
| Primary category | cs.SE |
| Published | 18 May 2026 |
| Last updated at source | 18 May 2026 |
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