BenchBench-Protocol: leaderboard

Benchling's wet-lab protocol-modification benchmark: 149 expert-reviewed tasks derived from the differences between a published protocol and the version a scientist actually ran, across 96 source protocols in nine domains of wet-lab biology. Responses are graded against weighted rubrics recovered from the real modification, so the score measures whether a model reasons about prior choices and downstream steps rather than reciting protocol text.

Metric: Normalized Rubric Score (%). Source: www.benchling.com. Saturation forecast: Around February 2028. 9 models tracked.

Top models

#ModelScoreOverall rank
1Claude Opus 559.2#12
2GPT-5.6 Sol47.1#19
3Kimi K345.7#30
4GPT-5.6 Terra45.3#41
5GPT-5.6 Luna41.3#68
6Inkling39.4#126
7Grok 4.538.9#48
8GLM-5.236.9#73
9Gemini 3.6 Flash34.1#51

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=benchbench-protocol · How It Works · Data refreshed daily, snapshot 2026-10-20.