53 Open-Source AI Agents Put Through Behavioral Tests, 37 Bugs Filed

YaoAnthony · hn · 2026-10-18

The Defuzex team ran systematic behavioral tests across 53 open-source AI agents and filed 37 bugs with the respective projects.

Unlike benchmark leaderboards, the tests focused on real-world agent behavior — tool calling, state management, error handling — exposing widespread reliability gaps in today's open-source agent frameworks. A useful horizontal quality reference for agent builders.

Original post →

More from coding & agent

coding & agent channel →