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OpenAI's first custom chip Jalapeño outperforms Nvidia Blackwell in inference benchmarks

This story is from 2026-08-25. It is preserved in the archive; the latest stories are on the live feed.

OpenAI showcased its first in-house inference chip, Jalapeño, at Hot Chips, with SemiAnalysis tests showing it beats Nvidia's Blackwell and Rubin in throughput and efficiency.

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  1. 2026-08-25 18:00 · The Decoder
    OpenAI's first custom chip "Jalapeño" reportedly beats Nvidia's Blackwell and Rubin in inference benchmarks

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