Anthropic's TASTE benchmark: best model judges safety proposals at 60%, below human researchers

maksym_andr · x · 2026-11-14

Anthropic's Alignment Science team introduced TASTE (The AI Safety Taste Evaluation), a benchmark measuring how well models judge pairs of AI safety research proposals against experienced researchers' preferences. Two design choices were key to reaching 77% estimated human agreement across 92 pairs: a discussion stage where researchers talk through disagreements before revising scores, and filtering for self-reported strong-confidence labels. The best model, Fable 5, scores just 60%—below human researchers—on this hard-to-verify "research taste" capability that matters for automating safety research. A related METR chart (Benchmark 14) shows near-zero progress across all models on a similar dimension.

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