Researcher flags unresolved data transparency issues in compositionality evals

najoungkim · x · 2026-10-27

A researcher notes that while industry effort in this direction is welcome, the data transparency problem in compositionality evals remains unaddressed. She recalls trying to preempt contamination in RExBench, an eval that critically requires the research ideas involved to be novel—data leakage would undermine its validity. She admits becoming a bit jaded after investing in this area, but still finds the industry momentum cool.

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