AnalysisAI ModelsAugust 25, 2026

OpenAI built Jalapeño inference chip in nine months, then let AI rewrite the code

OpenAI's custom inference chip, developed with Broadcom, showed substantially better performance per watt than existing chips in early testing. The chip was built from scratch for LLM inference, and OpenAI then used AI to rewrite its code.

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OpenAI built Jalapeño inference chip in nine months, then let AI rewrite the code