A flaming jalapeño character standing on NVIDIA and AMD GPUs

Know Your Enemy, Know Yourself, Part 7: A Model Trained on GPUs Builds a Better Chip Than GPUs

The era of using AI to build chips that run AI has arrived. Drawing on publicly released information about Jalapeño, OpenAI’s custom chip, this article explores what that means.

September 8, 2026 · 10 min · 2033 words
Cerebras WSE-3 or CS-3 system

Know Your Enemy, Know Yourself Part 5: Cerebras and the Wafer-Scale Engine

This post explains Cerebras’s recent momentum, WSE-3 architecture, and the trade-offs of wafer-scale chips in a beginner-friendly way, following reports of a large OpenAI deal.

April 27, 2026 · 14 min · 2802 words