AI Operator: The Real Work Is in Constructing Training Data, Not the Dataset Itself

joecole · x · 2026-09-04

Quoting a Jane Street Signals & Threads episode on alt data, @alexdong argues the most underappreciated part of AI is the talent and creativity behind constructing training data — comparing it to coaching an athlete struggling with a movement. Training only on the finished dataset means you've already missed the most important part; what remains is copycat work. Data engineering, like Jane Street's alt-data effort, is where the real value lies.

Original post →

More from AGI Musings

AGI Musings channel →