this post was submitted on 20 Sep 2023
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But bard is the public one, right?
Bard is the name of the service, they can create account specific models trained on your user data which aren't shared with other accounts (as an extension of the base model built on public data). I've already read about companies doing this to avoid cross contamination. Pretty sure Google is aware of this.
But I don't know if Google cares enough about privacy to bother training individual models to avoid cross contamination. Each model takes years worth of super computer time, so the fewer they'd need to train, the less costly.
Extending existing models (retraining) doesn't need years, it can be done in far less time.
Hmm, I thought one of the problems with LLMs was they're pretty baked in in the training process. Maybe that was only with respect to removing information?
Yeah, it's hard to remove data already trained into a model. But you can retrain them to add capabilities to an existing model, so if you copy one based on public data multiple times and then retrain with different sets of private data then you can save a lot of work