Broadcom and OpenAI unveil custom-built Jalapeño inference processor — OpenAI's first chip is a massive reticle-sized ASIC built in an ultra-fast nine-month development cycle
Summary
Broadcom and OpenAI reveal their Jalapeño custom-built inference ASIC that allegedly beats existing leading-edge in terms of performance-per-watt.
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OPENAI AND BROADCOM $AVGO JUST UNVEILED OPENAI'S FIRST CUSTOM AI CHIP
— Evan (@StockMKTNewz) June 24, 2026
It is called Jalapeño. It is an inference accelerator built from scratch specifically for large language models.
Designed from scratch to manufacturing tape-out in nine months. OpenAI believes this is the… pic.twitter.com/tWbIra4CAQ
We’ve designed and built our first AI chip: Jalapeño.
— OpenAI (@OpenAI) June 24, 2026
Designed from the ground up by OpenAI and brought to production with @Broadcom, Jalapeño is purpose-built for the LLM workloads powering ChatGPT, Codex, the API, and future agentic products.
Chips are foundational to the AI… pic.twitter.com/mHU7DaMMTi