Techmeme 20260825 OpenAI Jalapeño Better Than Nvidia Blackwell Summary
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Techmeme surfaced SemiAnalysis’s August 25 deep dive “OpenAI Jalapeño: Better Than Nvidia Blackwell”. The headline result is striking: OpenAI’s first custom inference chip reportedly serves large language models with both higher throughput per watt and lower latency than the Nvidia systems tested. The more consequential story, however, is how a frontier AI lab combined custom silicon, rack-scale networking, serving software, and AI-written low-level code quickly enough to make a first-generation chip competitive.
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