That is correct. It is possible they didn't opt out and given the timeline and anonymization of data unclear whether a particular conversation would have made it into the training set if they hadn't.
replyEasy to ask for the account used to see if its usage went into training data. Also easy to say "Knowledge cut-off of the used model was date X".
replyThat they don't is telling.
Maybe they didn't ask or the anthropic people said no? Plenty of other explanations here.
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