Aidan Gomez: labs train on rewritten user data even under ZDR promises

josh_wills · x · 2026-09-09

Cohere co-founder Aidan Gomez says he's heard from employees at both large labs that synthetic data derived from consumer AI tools' production user data is used for training. Users working on 'interesting' tasks (complex math, business, software, bio) are up-weighted. Even ZDR / 'we won't train on you' regimes typically carve out derivative data: only your exact inputs are protected, paraphrased data is fair game.

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