CookingBench

Results / v2.1 / Anthropic

Archived v2.1

Claude Opus 5

This profile reports Claude Opus 5’s original v2.1 result. It does not claim a timeless culinary rank. The run’s scoring limitations and later exploratory analyses are separate records.

Original overall

92.9

95% item-bootstrap interval

89.1–96.1

Frontier subset

87.9

Original score profile

Uncertainty and pairwise evidence

This model’s position should be interpreted through direct paired comparisons, not its row number alone.

Scoring limitations

Saturated numeric items, high-influence keyword items and semantic constraint-check failures affected the instrument. The profile is retained as historical evidence, not validated culinary ability.

Run 2026-07-v2.1 · anthropic/claude-opus-5 · original artifact unchanged