Mollick: AI replicated 17 weeks of human engineering work for about $241 in tokens

emollick · x · 2026-10-23

Wharton professor Ethan Mollick clarified his viral AI capability timeline: in 2024, the best AI could do 4 minutes of human work with a 50% success rate; when he submitted his draft earlier this year, it was 17 hours; now it is 17 weeks — and crucially, it doesn't take AI 17 actual weeks, with success rates above 50%.

The study he cited found that replicating those 17 weeks of human engineering work cost roughly $241 in tokens.

Related event: Mollick: AI Task Horizon Grew from 4 Minutes to 17 Weeks in Two Years(4 posts)→

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