There was nothing unusual about Google sharing some of the foundational mechanics of an invention with the world. That was often how tech companies operated. When they “open-sourced” new techniques, they got feedback from the research community, which boosted their reputation among top engineers, making it easier to hire them. But Google underestimated how much that would cost the company. Of the eight researchers who invented the transformer, all have now left Google. Most started their own AI companies, which at the time of writing were worth more than $4 billion in aggregate. Character.ai
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