Ethan Mollick(@emollick):I took the new AA-Briefcase scores from @ArtificialAnlys (basically having the AI do multi-week consulting gigs with a lot of complexity) and graphed the frontier curve for open and closed models: 1) Surprise, rapid gains! 2) The open weights gap is clear https://t.co/a1QGQC2hey

Ethan Mollick

@emollick

Professor @Wharton studying AI. New book, Co-Existence, coming October 20. Preorder here: Substack:

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Ethan Mollick@emollick

2026.06.29 04:23

I took the new AA-Briefcase scores from @ArtificialAnlys (basically having the AI do multi-week consulting gigs with a lot of complexity) and graphed the frontier curve for open and closed models: 1) Surprise, rapid gains! 2) The open weights gap is clear