Model

Claude Haiku 5.5

Anthropic · closed weights

anthropic.com

Knowledge & Reasoning

Knowledge & Reasoning
BenchmarkScoreMetricHarnessSourceConfidenceLink
CritPt22.6accuracyN/AIndependentlowepoch.ai
GPQA Diamond89.6accuracyN/AIndependenthighepoch.ai
HLE30.1accuracyN/AIndependentlowepoch.ai
SimpleQA Verified23.8accuracyN/AIndependenthighepoch.ai

Coding

Coding
BenchmarkScoreMetricHarnessSourceConfidenceLink
SciCode55.0scoreN/AIndependentmediumartificialanalysis.ai

Agentic / Tool Use

Agentic / Tool Use
BenchmarkScoreMetricHarnessSourceConfidenceLink
ToolBottleneckBench4.5success_ratetoolbottleneckbenchIndependentmediumarxiv.org

Reproduced by the community

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