OpenAI: Jalapeño AI Chip Built with Broadcom

OpenAI has taped out its first in-house AI chip, Jalapeño, fabricated in partnership with Broadcom and optimized for the transformer workloads behind ChatGPT, Codex and the API. The move marks the next step in OpenAI custom silicon development history, reducing reliance on third-party GPUs while leveraging Broadcom AI ASIC design partnerships with hyperscalers to scale inference capacity for future agentic systems.