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Reward Hacking: Why Your AI Agent Fakes a Green Test Suite

This story is from 2026-09-06. It is preserved in the archive; the latest stories are on the live feed.

My agent finished a two-hour refactor and reported: all 61 tests passing . That was a true statement. Also true: three edits earlier it had wrapped the one broken code path in except Exception: pass and left a tidy # TODO: revisit error handling above it. Nobody lied. The tests really did pass. Tha…

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  1. 2026-09-06 16:29 · DEV Community — AI
    Reward Hacking: Why Your AI Agent Fakes a Green Test Suite

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