Writing

Three questions we get asked constantly, answered properly. No newsletter, no pop-up, no tracking.

• On-device AI

  Why the AI should run on your device

  Cloud AI asks you to send every question to a company before it will answer. On-device AI does not. What that buys you, what it costs in raw model quality, and how to tell which side of the line a question belongs on.

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• Verification

  How to prove an AI app sends nothing

  Every AI app claims to be private. Almost none of them tell you how to check. Five tests you can run yourself, in order of how much they prove, plus an honest list of what they leave open.

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• Models

  How to choose an on-device AI model

  Model names carry three numbers that decide whether your phone can run them at all. How to read them, the speeds we measured on real devices, and which size is genuinely good at what.

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