Ethan Mollick: transformer is under a decade old, o1-preview under two years

hugobowne · x · 2026-09-07

Ethan Mollick lays out the accelerating timeline: less than a decade since the transformer, less than four years since GPT-3.5/ChatGPT, and less than two years since o1-preview, the first reasoning model. Hugo Bowne retweeted calling it mind-boggling.

Related event: Mollick Maps AI's Blistering Timeline(2 posts)→

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