# OpenAI Unveils "Jalapeño" — Its First Custom AI Chip, Built With Broadcom in Just Nine Months

*2026-06-25 14:02 UTC · Technology · 1 min read*

> OpenAI and Broadcom revealed Jalapeño, OpenAI's first custom AI inference chip, built in just nine months using AI-assisted design and slated for deployment in late 2026.

OpenAI and Broadcom on Tuesday unveiled Jalapeño, OpenAI's first custom-built AI inference chip. The purpose-built accelerator was designed from the ground up for large language model inference, optimized around the memory, networking, and serving patterns that matter most for frontier AI models. Unlike general-purpose AI processors or repurposed training accelerators, Jalapeño targets inference workloads exclusively.

The chip went from concept to tape-out in just nine months — an extraordinarily fast timeline for custom silicon. OpenAI attributed the speed partly to using its own AI models to accelerate the chip design process itself, a rare case of AI building AI hardware. Early benchmarks show Jalapeño will deliver substantially better performance per watt than current state-of-the-art chips.

Deployment is set to begin in late 2026, enabling gigawatt-scale data centers operated by Microsoft and other partners. The announcement marks a strategic shift for OpenAI, which has historically depended almost entirely on Nvidia GPUs for its compute needs. By developing custom silicon, the company aims to cut costs and reduce its heavy reliance on Nvidia's dominant hardware ecosystem.

## Sources

- [cnbc.com](https://www.cnbc.com/2026/06/24/openai-and-broadcom-reveal-jalapeno-first-ai-chip-in-partnership.html)
- [techcrunch.com](https://techcrunch.com/2026/06/24/openai-unveils-its-first-custom-chip-built-by-broadcom/)
- [venturebeat.com](https://venturebeat.com/infrastructure/openai-unveils-first-custom-ai-inference-chip-jalapeno-with-broadcom-and-its-development-was-sped-up-with-openais-own-models/)

---
TechTools News · https://techtools.cz/tools/news/article/1889-openai-unveils-jalapeno-its-first-custom-ai-chip-built-with-broadcom-in-just
Česká verze: https://techtools.cz/tools/news/clanek/1962-openai-predstavila-jalapeno-svuj-prvni-vlastni-ai-cip-vyvinuty-s-broadcomem-za