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BioMysteryBench (hard)
Reasoning
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Results for 10 models collected from 4 public sources.
Ranking
Sources
#
Model
Score
1
Gemini 3.8 Flash
Google
56.5
%
2
Claude Opus 5
Anthropic
49.4
%
3
GPT-5.6 Terra
OpenAI
49.4
%
4
Claude Fable 5
Anthropic
46.5
%
5
GPT-5.6 Sol
OpenAI
44.7
%
6
Gemini 3.7 Flash
Google
43.5
%
7
Claude Opus 4.8
Anthropic
42.4
%
8
Gemini 3.6 Flash
Google
41.2
%
9
Claude Sonnet 5
Anthropic
34.1
%
10
Claude Mythos Preview
Anthropic
29.6
%
10 models total