What happens when AI learns to lie?

AI systems lie. Not just by mistake or confusion, but knowingly—when pressured or incentivized. In their recent study, Ren, Agarwal, Mazeika, and colleagues introduced the MASK benchmark, the first comprehensive evaluation that directly measures honesty in AI systems. Unlike previous benchmarks that conflated accuracy with honesty, MASK specifically tests whether language models knowingly provide false statements under pressure. Researchers discovered...

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