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GPU vs TPU vs NPU: What Each AI Chip Actually Does

GPUs, TPUs, and NPUs all exist to do the same job, multiplying large grids of numbers very fast, but they differ in who can use them, how code reaches them, and what happens when a model does something unusual. This explainer answers a practical qu…

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Apple Watch 12 vs Pixel Watch 5 vs Galaxy Watch9

Apple Watch Series 12, Pixel Watch 5, and Galaxy Watch9 cost within about $20 of each other at list price, yet only one of them works with your phone, whichever phone that is. The real comparison is therefore not which watch is best, but which watch…

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AI Coding Agent Security: Plugin4Shell and ZCode Explained

Two September 2026 incidents break two different assumptions that developers make about AI coding agents: Plugin4Shell showed that a plugin pinned to a reviewed version can still run different code, and ZCode showed that a privacy toggle and a priva…

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Claude Opus 5.5 vs GPT-6 Sol/Luna vs Grok 4.7: Pricing

Anthropic, OpenAI, and xAI each released new API-priced models within a 48-hour window in late September 2026 — Grok 4.7 on September 21, Claude Opus 5.5 and GPT-6 Sol/Luna both on September 22, the latter two reportedly just 90 minutes apart. None…

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Meta Ray-Ban Display vs Even Realities G2 Compared

Meta Ray-Ban Display and Even Realities G2 both put a screen in front of your eye, but they disagree on almost everything else a pair of smart glasses could include — one adds a camera, open-ear speakers, and a gesture-reading wristband; the other d…

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Supabase vs Firebase vs PlanetScale: Pricing Compared

Only two of these three services actually have a free tier — and a surprising number of pricing roundups get this wrong. PlanetScale's own documentation states plainly that it "does not offer a free plan," while Supabase and Firebase b…

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