Every Major AI Lab Now Builds Its Own Chips — Nvidia's Inference Moat Is Eroding
OpenAI's Jalapeño announcement, developed with Broadcom in just nine months, closes the last gap in the major US frontier lab custom silicon map. Google, Amazon, Meta, and now OpenAI all have proprietary inference accelerators in production or deployment — what was a Google-specific competitive advantage three years ago is now a baseline requirement for any lab operating at scale. The Broadcom partnership is the critical structural signal: Broadcom is consolidating its position as the preferred custom ASIC design and packaging partner for entities that lack Google's internal chip engineering depth, creating a new form of concentration risk that sits alongside Nvidia's rather than displacing it.
Simultaneously, Qualcomm's $3.9 billion acquisition of Modular targets the software layer that is increasingly decisive in the chip competition. Nvidia's CUDA ecosystem — not its hardware — is its most durable moat, and Modular's hardware-agnostic compiler stack is explicitly designed to route around it. The capital committed across these moves — custom silicon programmes, software stack acquisitions, and SK Hynix's $29.4 billion HBM capacity raise — represents a coordinated, if uncoordinated, effort to reduce single-vendor dependency across the entire AI infrastructure stack. TSMC's reported 5–10% price hikes across advanced nodes, covering 74% of its wafer business, add a cost shock that simultaneously pressures all participants and marginally improves the economics of domestic alternatives.