OpenAI unveils 'Jalapeño' inference chip designed with Broadcom
OpenAI's disclosure of a custom inference chip co-designed with Broadcom signals a material commercial engineering partnership and potential customer concentration in Broadcom's custom AI chip business.
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OpenAI named the chip 'Jalapeño' and said it was designed with Broadcom for inference workloads.
TSMC manufactured chips; Celestica will build server systems for OpenAI deployments.
OpenAI reported samples running at target power and performance with its GPT-5.3-Codex-Spark model.
OpenAI plans to deploy Jalapeño by the end of the year.
The chip is intended for inference (serving queries) rather than training.
OpenAI described this as the first step in a multi-generation chip program.
Broadcom CEO Hock Tan said margins on custom AI chips are pressured by high HBM memory demand.
Article names SK Hynix and Samsung as memory suppliers cited by Broadcom.
The deal underscores Broadcom's role as a custom-accelerator supplier to major AI labs.