“While Grok-1 was trained on “publicly available data up to Q3 2023” but was not “pre-trained on X data (including public X posts),” according to the company, Grok-2 has been explicitly trained on all “posts, interactions, inputs, and results” of X users, with everyone being automatically opted in, says Angus Allan, senior product manager at CreateFuture, a digital consultancy specializing in AI deployment.
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Just sayin’ that it is NOT “free”.