BioSecBench-Refusal: leaderboard

BioSecBench-Refusal is a text-only paired agentic biosecurity benchmark that reports model refusal behavior on routine scientific work and concealed hazards. The evaluated model is an agentic model, and the pinned metric, Red-Team total refusal (%), measures refusal on the red-team evaluations; the public release notes that full tasks, hazard-bearing data, rationales, and trajectories remain restricted. Source: BenchmarkList’s attributed result table.

Metric: Red-Team total refusal (%). Source: benchmarklist.com. Saturation forecast: Around February 2027. 16 models tracked.

Top models

#ModelScoreOverall rank
1Claude Opus 4.748.9#51
2Claude Opus 4.847.8#39
3Gemini 3.5 Flash46.5#66
4Claude Opus 4.637.5#67
5Claude Sonnet 4.636.1#94
6GPT-5.431.6#83
7Gemini 3.1 Pro (Preview)28.1#64
8GPT-5.523.2#33
9Grok 4.35.8#204
10Grok 4.20 Beta (0309) (Reasoning)1.4#198 (Grok 4.20 Beta (0309))

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

Interactive version: theaggregate.ai/benchmark?slug=biosecbench-refusal · How It Works · Data refreshed daily, snapshot 2026-11-05.