At the end of 2025, we wrote a blog post intended to demystify AI hardware processors. We compared GPUs and CPUs, as well as specialized processors like LPUs, TPUs and NPUs. It represented our best understanding of the AI hardware space at the time. About 10 months later, it’s now completely outdated. The AI hardware market is moving so quickly that it’s hard to make any definitive statements about which hardware you should choose for which purposes. In the previous post, we speculated that the refresh cycle for GPUs would last only 18 months, down from five years for legacy…

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