Technology & Science

OpenAI Debuts ‘Jalapeño’ Inference ASIC, Kicking Off Multi-Generation Silicon Plan with Broadcom

On 24-25 June 2026, OpenAI publicly revealed Jalapeño—its first in-house AI inference chip co-developed with Broadcom—moving from blank-sheet design to manufacturing tape-out in just nine months to cut reliance on Nvidia GPUs.

By Underlines Team

Focusing Facts

  1. The Jalapeño project was announced 24 Jun 2026 after a nine-month design cycle that began with an Oct 2025 Broadcom collaboration and ended with tape-out at TSMC.
  2. Lab samples are already executing the unreleased GPT-5.3-Codex-Spark model at target frequency and power, confirming functional silicon before mass rollout.
  3. Initial data-center deployment—scaled to ‘gigawatt’ levels with Microsoft— is slated for late 2026, positioning Jalapeño as the first in a planned multi-generation platform.

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