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OpenAI's Chip, Nvidia's Guarantees, and Apple's Macs — August 26, 2026

OpenAI's first custom chip promises to cut inference costs by half. Nvidia signed a hundred and five billion in guarantees to hold its position at the center of AI compute. Two bets, one underlying question. We go through the chip design and what cheaper APIs mean for product teams, the financial exposure Nvidia is now carrying, Apple's new hardware and what it opens for local inference, short-lived credentials as an agent security baseline, and three quick hits.

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The skinny

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