Hardware
OpenAI Jalapeño: Better Than Nvidia Blackwell
OpenAI’s Jalapeño is a self‑designed ASIC for large‑language‑model inference that was taped‑out in about 16 months, developed with Broadcom and featuring HBM4 memory. Benchmarks on the InferenceX suit
OpenAI’s Jalapeño is a self‑designed ASIC for large‑language‑model inference that was taped‑out in about 16 months, developed with Broadcom and featuring HBM4 memory. Benchmarks on the InferenceX suite show it outperforms Nvidia Blackwell, AMD, and Google chips across several top open‑source models, achieving higher throughput per watt while remaining a general‑purpose inference accelerator rather than a model‑specific design. The chip’s rapid development cycle and pragmatic hardware–software co‑design exemplify AI‑accelerated ASIC innovation.
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- OpenAI, Broadcom debut custom Jalapeño chip for AI inference
Source: SemiAnalysis | 2026-08-25