Meta's benchmark table puts Gemini 3.1 Pro at 59.2% on biohazard refusals
Meta's May 26th, 2026 Muse Spark report lists Gemini 3.1 Pro at 59.2% in one table and 61.5% in another on SecureBio BioTIER v1 refusals.
By RuntimeWire Staff · Published
Primary source: Meta Muse Spark Safety & Preparedness Report
Why it matters
BioTIER refusal rates show how often a tested system declines prompts that biosafety experts say should be refused. Meta's six-model table gives operators and policymakers a rare side-by-side view, while its dual Gemini and GPT figures and unclear competitor configurations limit how far the ranking can be generalized.
Meta's May 26th, 2026 Muse Spark report lists Gemini 3.1 Pro at 59.2% in one table and 61.5% in another on SecureBio BioTIER v1 refusals.
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