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HealthBench Professional
Reasoning
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Results for 10 models collected from 3 public sources.
Ranking
Sources
#
Model
Score
1
Claude Fable 5
Anthropic
66.0
%
2
Claude Mythos Preview
Anthropic
64.7
%
3
GPT-5.6 Sol
OpenAI
60.5
%
4
Muse Spark 1.1
Meta
59.3
%
5
GPT-5.6 Terra
OpenAI
57.7
%
6
Claude Opus 4.8
Anthropic
56.9
%
7
GPT-5.6 Luna
OpenAI
55.7
%
8
Muse Spark
Meta
54.1
%
9
GPT-5.5
OpenAI
51.8
%
10
Gemini 3.1 Pro
Google
41.6
%
10 models total