DeepSeek's advanced reasoning model from the R1 series, released May 2025. Built for deep chain-of-thought reasoning, it excels at complex mathematical, logical, and analytical problems. With 131K context and 32K output window, it handles substantial reasoning tasks. Superseded by the V3.2 Speciale model which achieves stronger reasoning at lower cost.
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32,768 tokens
$0.55
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Superseded by V3.2 Speciale with superior reasoning capabilities