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simple reasoning test
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simple reasoning test

simple reasoning test that trips up older or smaller models set to low reasoning

Prompt

a man has seven brothers how many brothers does his sister have

OpenAI logoOpenAIGPT-5.6 Luna (max)
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IBM logoIBMGranite 4.1 8B
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Anthropic logoAnthropicClaude 4.5 Haiku (Reasoning)
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OpenAI logoOpenAIGPT-5.6 Terra (max)
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OpenAI logoOpenAIGPT-5.6 Sol (max)
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