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GPT4 came out 3 years after GPT3

Slight knitpick

GPT 3.5 came out 2 years after GPT 3

GPT 4 came out 1 year after 3.5

Slight nitpick, but "nitpick" is not spelled with a "k".

knitpic

Actually nitpick IS spelled with a “k”, just not one at the beginning of the word. If we’re gonna be pedantic details matter!

Dammit!

As we now know, GPT-3.5 was essentially an early preview of the "move fast, break things" variety - GPT-4 was already well underway by then.