AWS's Marc Brooker built the best 2B decision model — for about 24 hours

ShadajL · x · 2026-09-29

AWS distinguished engineer Marc Brooker set out to build the best 2B-sized decision model (a "system one" model in the TypeSafe AI sense, like Jev) and succeeded — holding the top benchmark spot for about 24 hours before being overtaken. A hands-on account of training small decision models in a fast-moving niche.

Original post →

More from Research

Research channel →