In June 2026, Broadcom CEO Hock Tan and President Charlie Kawwas delivered Jalapeño to OpenAI CEO Sam Altman and President Greg Brockman. The custom AI inference chip was designed by OpenAI and co-developed with Broadcom.
OpenAI has now published its first benchmark results for Jalapeño following tests using InferenceX, a public AI inference benchmark from SemiAnalysis. The company said the chip delivered 1.5 to 1.9 times greater peak performance per watt than the Nvidia Blackwell systems used for comparison.
The results were produced by OpenAI rather than an independent testing organization, and the company normalized them using each…
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