OpenAI's first custom chip "Jalapeño" reportedly beats Nvidia's Blackwell and Rubin in inference benchmarks

OpenAI's first in-house inference chip, Jalapeño, beats Nvidia's Blackwell and Rubin in benchmarks. Revealed at Hot Chips, SemiAnalysis tests show higher throughput and energy efficiency. The custom silicon could cut OpenAI's reliance on Nvidia and reshape AI inference economics.

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