Training Frontier Knowledge Work Agents A 397b Rl Training Guide With Skyrl
Source
mercor.com
Author
Mercor research blog
Date
Why it matters
Includes a full SkyRL training script, weights and traces for RL on a 397B model, with ablations and de-risking steps. Teams training knowledge-work agents get a reproducible recipe and a 70% relative Pass@1 gain to compare against.
Terms in this piece · Glossary
token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
eval — A repeatable test for AI quality — a set of tasks plus scoring — used the way software teams use test suites, because model output is too variable to judge by eyeballing.