SWEeper-Bench: Can Agents Discover Bugs in Interactive Software?
Coding agents increasingly interact with users by generating interactive software on the fly rather than replying in text, yet many bugs in such software reveal themselves only after multi-step interactions. Today, users must discover these bugs and wait for fixes, making the development loop slow and expensive. Existing benchmarks typically assume the bugs have already been identified, leaving agents' ability to find interaction-dependent failures largely unevaluated. We introduce SWEeper-Bench, 200 tasks built from real bug fixes in 200 widely used open-source web applications. Each task gives the agent only the codebase and an open-ended request such as "Find and fix issues in Focalboard'
| Authors | Yang Yao, Haozhe Chen, Bingyi Kang et al. |
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| Published | 8 October 2026 |
| Last updated at source | — |
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