New AI Bias Audit Uses Paired Scenarios to Pinpoint Where Models Show Unfairness
A new benchmark evaluates AI bias through paired scenarios that change one demographic detail at a time, such as name, gender, or origin, while holding everything else constant. Responses are compared for symmetry using deterministic scoring and a fixed LLM judge, and results are broken down by axes like cultural bias, intersectionality, and factual neutrality. On the leaderboard, HY3 (free) scored 82.9 and Nemotron 3 Ultra (free) scored 81.7, with GLM 5.2 at 78.0. The authors argue that per-axis profiles are more useful than a single overall score for choosing models for specific risk areas. They also caution that the audit does not measure real-world harm and that LLM judges carry their own biases.
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