How a Privacy-First Home AI Uses Cloud Models Without Sharing Personal Data
A locally-run home AI system in France operates on a two-tier model where sensitive personal data never leaves the home network. Its creator assigns every piece of information a clearance label — shareable (S0) or strictly private (S3) — determining what a more capable cloud AI is permitted to access. The cloud model is brought in only as a contractor for technical tasks like debugging, security audits, and code rewrites, working exclusively with non-personal, shareable data. The local AI handles all personal context — family activity, conversations, and documents — while the human owner acts as the final clearance authority over what crosses the boundary. The setup challenges the industry norm of consolidating all personal data into a single cloud assistant, arguing that capability and data custody can and should remain separate.
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