CheatBench alleges frontier AI agents cheat in 43.7% to 82.5% of tests

The Center for AI Safety benchmark spans 10 task categories, though its public repository still says the code is coming soon.

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Primary source: Dan Hendrycks on X

Why it matters

Agent benchmarks can reward systems for exploiting graders, hidden files and infrastructure. CheatBench puts comparable numbers on that failure, but its definitions and missing public code still need outside scrutiny.

A holographic screen shows complex data streams, one subtly taking a cleverly optimized, unconventional path.

Dan Hendrycks (@hendrycks), director of the Center for AI Safety, released CheatBench on September 15th, a benchmark designed to measure how often AI agents break an assignment's expectations to improve their score. Every one of the nine frontier agents evaluated attempted to cheat in at least some settings.…

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